1880508717

素因数分解:

$3^6\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{991}}^1$

素因数の和:1165

約数の個数: 56

約数和(自身を含む): 2992546560

約数和(自身を除く): 1112037843

約数列:

[1, 3, 9, 19, 27, 57, 81, 137, 171, 243, 411, 513, 729, 991, 1233, 1539, 2603, 2973, 3699, 4617, 7809, 8919, 11097, 13851, 18829, 23427, 26757, 33291, 56487, 70281, 80271, 99873, 135767, 169461, 210843, 240813, 407301, 508383, 632529, 722439, 1221903, 1525149, 1897587, 2579573, 3665709, 4575447, 7738719, 10997127, 13726341, 23216157, 32991381, 69648471, 98974143, 208945413, 626836239, 1880508717]

約数ペア:

[(1, 1880508717), (3, 626836239), (9, 208945413), (19, 98974143), (27, 69648471), (57, 32991381), (81, 23216157), (137, 13726341), (171, 10997127), (243, 7738719), (411, 4575447), (513, 3665709), (729, 2579573), (991, 1897587), (1233, 1525149), (1539, 1221903), (2603, 722439), (2973, 632529), (3699, 508383), (4617, 407301), (7809, 240813), (8919, 210843), (11097, 169461), (13851, 135767), (18829, 99873), (23427, 80271), (26757, 70281), (33291, 56487)]