81618894

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{263}}^1\times {\mathrm{821}}^1$

素因数の和:1102

約数の個数: 64

約数和(自身を含む): 208327680

約数和(自身を除く): 126708786

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 263, 378, 526, 789, 821, 1578, 1642, 1841, 2367, 2463, 3682, 4734, 4926, 5523, 5747, 7101, 7389, 11046, 11494, 14202, 14778, 16569, 17241, 22167, 33138, 34482, 44334, 49707, 51723, 99414, 103446, 155169, 215923, 310338, 431846, 647769, 1295538, 1511461, 1943307, 3022922, 3886614, 4534383, 5829921, 9068766, 11659842, 13603149, 27206298, 40809447, 81618894]

約数ペア:

[(1, 81618894), (2, 40809447), (3, 27206298), (6, 13603149), (7, 11659842), (9, 9068766), (14, 5829921), (18, 4534383), (21, 3886614), (27, 3022922), (42, 1943307), (54, 1511461), (63, 1295538), (126, 647769), (189, 431846), (263, 310338), (378, 215923), (526, 155169), (789, 103446), (821, 99414), (1578, 51723), (1642, 49707), (1841, 44334), (2367, 34482), (2463, 33138), (3682, 22167), (4734, 17241), (4926, 16569), (5523, 14778), (5747, 14202), (7101, 11494), (7389, 11046)]