261022515

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{58199}}^1$

素因数の和:58243

約数の個数: 32

約数和(自身を含む): 469324800

約数和(自身を除く): 208302285

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495, 4485, 58199, 174597, 290995, 756587, 872985, 1338577, 2269761, 3782935, 4015731, 6692885, 11348805, 17401501, 20078655, 52204503, 87007505, 261022515]

約数ペア:

[(1, 261022515), (3, 87007505), (5, 52204503), (13, 20078655), (15, 17401501), (23, 11348805), (39, 6692885), (65, 4015731), (69, 3782935), (115, 2269761), (195, 1338577), (299, 872985), (345, 756587), (897, 290995), (1495, 174597), (4485, 58199)]