25000353

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:315

約数の個数: 64

約数和(自身を含む): 46448640

約数和(自身を除く): 21448287

約数列:

[1, 3, 7, 9, 17, 21, 27, 31, 51, 63, 93, 119, 153, 189, 217, 251, 279, 357, 459, 527, 651, 753, 837, 1071, 1581, 1757, 1953, 2259, 3213, 3689, 4267, 4743, 5271, 5859, 6777, 7781, 11067, 12801, 14229, 15813, 23343, 29869, 33201, 38403, 47439, 54467, 70029, 89607, 99603, 115209, 132277, 163401, 210087, 268821, 396831, 490203, 806463, 925939, 1190493, 1470609, 2777817, 3571479, 8333451, 25000353]

約数ペア:

[(1, 25000353), (3, 8333451), (7, 3571479), (9, 2777817), (17, 1470609), (21, 1190493), (27, 925939), (31, 806463), (51, 490203), (63, 396831), (93, 268821), (119, 210087), (153, 163401), (189, 132277), (217, 115209), (251, 99603), (279, 89607), (357, 70029), (459, 54467), (527, 47439), (651, 38403), (753, 33201), (837, 29869), (1071, 23343), (1581, 15813), (1757, 14229), (1953, 12801), (2259, 11067), (3213, 7781), (3689, 6777), (4267, 5859), (4743, 5271)]