81091908

素因数分解:

$2^2\times 3^3\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{457}}^1$

素因数の和:554

約数の個数: 96

約数和(自身を含む): 221598720

約数和(自身を除く): 140506812

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 53, 54, 62, 93, 106, 108, 124, 159, 186, 212, 279, 318, 372, 457, 477, 558, 636, 837, 914, 954, 1116, 1371, 1431, 1643, 1674, 1828, 1908, 2742, 2862, 3286, 3348, 4113, 4929, 5484, 5724, 6572, 8226, 9858, 12339, 14167, 14787, 16452, 19716, 24221, 24678, 28334, 29574, 42501, 44361, 48442, 49356, 56668, 59148, 72663, 85002, 88722, 96884, 127503, 145326, 170004, 177444, 217989, 255006, 290652, 382509, 435978, 510012, 653967, 750851, 765018, 871956, 1307934, 1501702, 1530036, 2252553, 2615868, 3003404, 4505106, 6757659, 9010212, 13515318, 20272977, 27030636, 40545954, 81091908]

約数ペア:

[(1, 81091908), (2, 40545954), (3, 27030636), (4, 20272977), (6, 13515318), (9, 9010212), (12, 6757659), (18, 4505106), (27, 3003404), (31, 2615868), (36, 2252553), (53, 1530036), (54, 1501702), (62, 1307934), (93, 871956), (106, 765018), (108, 750851), (124, 653967), (159, 510012), (186, 435978), (212, 382509), (279, 290652), (318, 255006), (372, 217989), (457, 177444), (477, 170004), (558, 145326), (636, 127503), (837, 96884), (914, 88722), (954, 85002), (1116, 72663), (1371, 59148), (1431, 56668), (1643, 49356), (1674, 48442), (1828, 44361), (1908, 42501), (2742, 29574), (2862, 28334), (3286, 24678), (3348, 24221), (4113, 19716), (4929, 16452), (5484, 14787), (5724, 14167), (6572, 12339), (8226, 9858)]