16850145

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{23}}^1$

素因数の和:91

約数の個数: 72

約数和(自身を含む): 32360256

約数和(自身を除く): 15510111

約数列:

[1, 3, 5, 13, 15, 17, 23, 39, 51, 65, 69, 85, 115, 169, 195, 221, 255, 289, 299, 345, 391, 507, 663, 845, 867, 897, 1105, 1173, 1445, 1495, 1955, 2535, 2873, 3315, 3757, 3887, 4335, 4485, 5083, 5865, 6647, 8619, 11271, 11661, 14365, 15249, 18785, 19435, 19941, 25415, 33235, 43095, 48841, 56355, 58305, 66079, 76245, 86411, 99705, 146523, 198237, 244205, 259233, 330395, 432055, 732615, 991185, 1123343, 1296165, 3370029, 5616715, 16850145]

約数ペア:

[(1, 16850145), (3, 5616715), (5, 3370029), (13, 1296165), (15, 1123343), (17, 991185), (23, 732615), (39, 432055), (51, 330395), (65, 259233), (69, 244205), (85, 198237), (115, 146523), (169, 99705), (195, 86411), (221, 76245), (255, 66079), (289, 58305), (299, 56355), (345, 48841), (391, 43095), (507, 33235), (663, 25415), (845, 19941), (867, 19435), (897, 18785), (1105, 15249), (1173, 14365), (1445, 11661), (1495, 11271), (1955, 8619), (2535, 6647), (2873, 5865), (3315, 5083), (3757, 4485), (3887, 4335)]