188764515

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{443}}^1\times {\mathrm{557}}^1$

素因数の和:1028

約数の個数: 48

約数和(自身を含む): 347843808

約数和(自身を除く): 159079293

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 443, 557, 765, 1329, 1671, 2215, 2785, 3987, 5013, 6645, 7531, 8355, 9469, 19935, 22593, 25065, 28407, 37655, 47345, 67779, 85221, 112965, 142035, 246751, 338895, 426105, 740253, 1233755, 2220759, 3701265, 4194767, 11103795, 12584301, 20973835, 37752903, 62921505, 188764515]

約数ペア:

[(1, 188764515), (3, 62921505), (5, 37752903), (9, 20973835), (15, 12584301), (17, 11103795), (45, 4194767), (51, 3701265), (85, 2220759), (153, 1233755), (255, 740253), (443, 426105), (557, 338895), (765, 246751), (1329, 142035), (1671, 112965), (2215, 85221), (2785, 67779), (3987, 47345), (5013, 37655), (6645, 28407), (7531, 25065), (8355, 22593), (9469, 19935)]