17687955

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1171}}^1$

素因数の和:1251

約数の個数: 32

約数和(自身を含む): 30378240

約数和(自身を除く): 12690285

約数列:

[1, 3, 5, 15, 19, 53, 57, 95, 159, 265, 285, 795, 1007, 1171, 3021, 3513, 5035, 5855, 15105, 17565, 22249, 62063, 66747, 111245, 186189, 310315, 333735, 930945, 1179197, 3537591, 5895985, 17687955]

約数ペア:

[(1, 17687955), (3, 5895985), (5, 3537591), (15, 1179197), (19, 930945), (53, 333735), (57, 310315), (95, 186189), (159, 111245), (265, 66747), (285, 62063), (795, 22249), (1007, 17565), (1171, 15105), (3021, 5855), (3513, 5035)]