17991045

素因数分解:

$3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1877}}^1$

素因数の和:1962

約数の個数: 32

約数和(自身を含む): 32451840

約数和(自身を除く): 14460795

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 135, 213, 355, 639, 1065, 1877, 1917, 3195, 5631, 9385, 9585, 16893, 28155, 50679, 84465, 133267, 253395, 399801, 666335, 1199403, 1999005, 3598209, 5997015, 17991045]

約数ペア:

[(1, 17991045), (3, 5997015), (5, 3598209), (9, 1999005), (15, 1199403), (27, 666335), (45, 399801), (71, 253395), (135, 133267), (213, 84465), (355, 50679), (639, 28155), (1065, 16893), (1877, 9585), (1917, 9385), (3195, 5631)]