81393156

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{173917}}^1$

素因数の和:173940

約数の個数: 36

約数和(自身を含む): 221571532

約数和(自身を除く): 140178376

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 173917, 347834, 521751, 695668, 1043502, 1565253, 2087004, 2260921, 3130506, 4521842, 6261012, 6782763, 9043684, 13565526, 20348289, 27131052, 40696578, 81393156]

約数ペア:

[(1, 81393156), (2, 40696578), (3, 27131052), (4, 20348289), (6, 13565526), (9, 9043684), (12, 6782763), (13, 6261012), (18, 4521842), (26, 3130506), (36, 2260921), (39, 2087004), (52, 1565253), (78, 1043502), (117, 695668), (156, 521751), (234, 347834), (468, 173917)]