71551215

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31177}}^1$

素因数の和:31208

約数の個数: 32

約数和(自身を含む): 134688960

約数和(自身を除く): 63137745

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 31177, 93531, 155885, 280593, 467655, 530009, 841779, 1402965, 1590027, 2650045, 4208895, 4770081, 7950135, 14310243, 23850405, 71551215]

約数ペア:

[(1, 71551215), (3, 23850405), (5, 14310243), (9, 7950135), (15, 4770081), (17, 4208895), (27, 2650045), (45, 1590027), (51, 1402965), (85, 841779), (135, 530009), (153, 467655), (255, 280593), (459, 155885), (765, 93531), (2295, 31177)]