15581394

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:583

約数の個数: 48

約数和(自身を含む): 35459424

約数和(自身を除く): 19878030

約数列:

[1, 2, 3, 6, 9, 18, 41, 43, 82, 86, 123, 129, 246, 258, 369, 387, 491, 738, 774, 982, 1473, 1763, 2946, 3526, 4419, 5289, 8838, 10578, 15867, 20131, 21113, 31734, 40262, 42226, 60393, 63339, 120786, 126678, 181179, 190017, 362358, 380034, 865633, 1731266, 2596899, 5193798, 7790697, 15581394]

約数ペア:

[(1, 15581394), (2, 7790697), (3, 5193798), (6, 2596899), (9, 1731266), (18, 865633), (41, 380034), (43, 362358), (82, 190017), (86, 181179), (123, 126678), (129, 120786), (246, 63339), (258, 60393), (369, 42226), (387, 40262), (491, 31734), (738, 21113), (774, 20131), (982, 15867), (1473, 10578), (1763, 8838), (2946, 5289), (3526, 4419)]