31811289

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{6899}}^1$

素因数の和:6984

約数の個数: 16

約数和(自身を含む): 44712000

約数和(自身を除く): 12900711

約数列:

[1, 3, 29, 53, 87, 159, 1537, 4611, 6899, 20697, 200071, 365647, 600213, 1096941, 10603763, 31811289]

約数ペア:

[(1, 31811289), (3, 10603763), (29, 1096941), (53, 600213), (87, 365647), (159, 200071), (1537, 20697), (4611, 6899)]