121571415

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1249}}^1$

素因数の和:1373

約数の個数: 64

約数和(自身を含む): 249600000

約数和(自身を除く): 128028585

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 103, 105, 135, 189, 309, 315, 515, 721, 927, 945, 1249, 1545, 2163, 2781, 3605, 3747, 4635, 6245, 6489, 8743, 10815, 11241, 13905, 18735, 19467, 26229, 32445, 33723, 43715, 56205, 78687, 97335, 128647, 131145, 168615, 236061, 385941, 393435, 643235, 900529, 1157823, 1180305, 1929705, 2701587, 3473469, 4502645, 5789115, 8104761, 13507935, 17367345, 24314283, 40523805, 121571415]

約数ペア:

[(1, 121571415), (3, 40523805), (5, 24314283), (7, 17367345), (9, 13507935), (15, 8104761), (21, 5789115), (27, 4502645), (35, 3473469), (45, 2701587), (63, 1929705), (103, 1180305), (105, 1157823), (135, 900529), (189, 643235), (309, 393435), (315, 385941), (515, 236061), (721, 168615), (927, 131145), (945, 128647), (1249, 97335), (1545, 78687), (2163, 56205), (2781, 43715), (3605, 33723), (3747, 32445), (4635, 26229), (6245, 19467), (6489, 18735), (8743, 13905), (10815, 11241)]