155287775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{1913}}^1$

素因数の和:2131

約数の個数: 24

約数和(自身を含む): 205058304

約数和(自身を除く): 49770529

約数列:

[1, 5, 17, 25, 85, 191, 425, 955, 1913, 3247, 4775, 9565, 16235, 32521, 47825, 81175, 162605, 365383, 813025, 1826915, 6211511, 9134575, 31057555, 155287775]

約数ペア:

[(1, 155287775), (5, 31057555), (17, 9134575), (25, 6211511), (85, 1826915), (191, 813025), (425, 365383), (955, 162605), (1913, 81175), (3247, 47825), (4775, 32521), (9565, 16235)]