1228019457

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{29881}}^1$

素因数の和:30013

約数の個数: 32

約数和(自身を含む): 1988945920

約数和(自身を除く): 760926463

約数列:

[1, 3, 7, 19, 21, 57, 103, 133, 309, 399, 721, 1957, 2163, 5871, 13699, 29881, 41097, 89643, 209167, 567739, 627501, 1703217, 3077743, 3974173, 9233229, 11922519, 21544201, 58477117, 64632603, 175431351, 409339819, 1228019457]

約数ペア:

[(1, 1228019457), (3, 409339819), (7, 175431351), (19, 64632603), (21, 58477117), (57, 21544201), (103, 11922519), (133, 9233229), (309, 3974173), (399, 3077743), (721, 1703217), (1957, 627501), (2163, 567739), (5871, 209167), (13699, 89643), (29881, 41097)]