253208538

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{281}}^1$

素因数の和:381

約数の個数: 128

約数和(自身を含む): 648103680

約数和(自身を除く): 394895142

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 37, 41, 54, 66, 74, 82, 99, 111, 123, 198, 222, 246, 281, 297, 333, 369, 407, 451, 562, 594, 666, 738, 814, 843, 902, 999, 1107, 1221, 1353, 1517, 1686, 1998, 2214, 2442, 2529, 2706, 3034, 3091, 3663, 4059, 4551, 5058, 6182, 7326, 7587, 8118, 9102, 9273, 10397, 10989, 11521, 12177, 13653, 15174, 16687, 18546, 20794, 21978, 23042, 24354, 27306, 27819, 31191, 33374, 34563, 40959, 50061, 55638, 62382, 69126, 81918, 83457, 93573, 100122, 103689, 114367, 126731, 150183, 166914, 187146, 207378, 228734, 253462, 280719, 300366, 311067, 343101, 380193, 426277, 450549, 561438, 622134, 686202, 760386, 852554, 901098, 1029303, 1140579, 1278831, 2058606, 2281158, 2557662, 3087909, 3421737, 3836493, 4689047, 6175818, 6843474, 7672986, 9378094, 11509479, 14067141, 23018958, 28134282, 42201423, 84402846, 126604269, 253208538]

約数ペア:

[(1, 253208538), (2, 126604269), (3, 84402846), (6, 42201423), (9, 28134282), (11, 23018958), (18, 14067141), (22, 11509479), (27, 9378094), (33, 7672986), (37, 6843474), (41, 6175818), (54, 4689047), (66, 3836493), (74, 3421737), (82, 3087909), (99, 2557662), (111, 2281158), (123, 2058606), (198, 1278831), (222, 1140579), (246, 1029303), (281, 901098), (297, 852554), (333, 760386), (369, 686202), (407, 622134), (451, 561438), (562, 450549), (594, 426277), (666, 380193), (738, 343101), (814, 311067), (843, 300366), (902, 280719), (999, 253462), (1107, 228734), (1221, 207378), (1353, 187146), (1517, 166914), (1686, 150183), (1998, 126731), (2214, 114367), (2442, 103689), (2529, 100122), (2706, 93573), (3034, 83457), (3091, 81918), (3663, 69126), (4059, 62382), (4551, 55638), (5058, 50061), (6182, 40959), (7326, 34563), (7587, 33374), (8118, 31191), (9102, 27819), (9273, 27306), (10397, 24354), (10989, 23042), (11521, 21978), (12177, 20794), (13653, 18546), (15174, 16687)]