80811549

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1249}}^1$

素因数の和:1354

約数の個数: 48

約数和(自身を含む): 145600000

約数和(自身を除く): 64788451

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 79, 91, 117, 237, 273, 553, 711, 819, 1027, 1249, 1659, 3081, 3747, 4977, 7189, 8743, 9243, 11241, 16237, 21567, 26229, 48711, 64701, 78687, 98671, 113659, 146133, 296013, 340977, 690697, 888039, 1022931, 1282723, 2072091, 3848169, 6216273, 8979061, 11544507, 26937183, 80811549]

約数ペア:

[(1, 80811549), (3, 26937183), (7, 11544507), (9, 8979061), (13, 6216273), (21, 3848169), (39, 2072091), (63, 1282723), (79, 1022931), (91, 888039), (117, 690697), (237, 340977), (273, 296013), (553, 146133), (711, 113659), (819, 98671), (1027, 78687), (1249, 64701), (1659, 48711), (3081, 26229), (3747, 21567), (4977, 16237), (7189, 11241), (8743, 9243)]