28397685

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2693}}^1$

素因数の和:2757

約数の個数: 32

約数和(自身を含む): 49138560

約数和(自身を除く): 20740875

約数列:

[1, 3, 5, 15, 19, 37, 57, 95, 111, 185, 285, 555, 703, 2109, 2693, 3515, 8079, 10545, 13465, 40395, 51167, 99641, 153501, 255835, 298923, 498205, 767505, 1494615, 1893179, 5679537, 9465895, 28397685]

約数ペア:

[(1, 28397685), (3, 9465895), (5, 5679537), (15, 1893179), (19, 1494615), (37, 767505), (57, 498205), (95, 298923), (111, 255835), (185, 153501), (285, 99641), (555, 51167), (703, 40395), (2109, 13465), (2693, 10545), (3515, 8079)]