840934227

素因数分解:

$3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{191}}^1\times {\mathrm{491}}^1$

素因数の和:760

約数の個数: 48

約数和(自身を含む): 1335343104

約数和(自身を除く): 494408877

約数列:

[1, 3, 7, 21, 49, 61, 147, 183, 191, 427, 491, 573, 1281, 1337, 1473, 2989, 3437, 4011, 8967, 9359, 10311, 11651, 24059, 28077, 29951, 34953, 72177, 81557, 89853, 93781, 209657, 244671, 281343, 570899, 628971, 656467, 1467599, 1712697, 1969401, 4402797, 4595269, 5720641, 13785807, 17161923, 40044487, 120133461, 280311409, 840934227]

約数ペア:

[(1, 840934227), (3, 280311409), (7, 120133461), (21, 40044487), (49, 17161923), (61, 13785807), (147, 5720641), (183, 4595269), (191, 4402797), (427, 1969401), (491, 1712697), (573, 1467599), (1281, 656467), (1337, 628971), (1473, 570899), (2989, 281343), (3437, 244671), (4011, 209657), (8967, 93781), (9359, 89853), (10311, 81557), (11651, 72177), (24059, 34953), (28077, 29951)]