211492515

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{4391}}^1$

素因数の和:4444

約数の個数: 48

約数和(自身を含む): 385793280

約数和(自身を除く): 174300765

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 169, 195, 247, 285, 507, 741, 845, 1235, 2535, 3211, 3705, 4391, 9633, 13173, 16055, 21955, 48165, 57083, 65865, 83429, 171249, 250287, 285415, 417145, 742079, 856245, 1084577, 1251435, 2226237, 3253731, 3710395, 5422885, 11131185, 14099501, 16268655, 42298503, 70497505, 211492515]

約数ペア:

[(1, 211492515), (3, 70497505), (5, 42298503), (13, 16268655), (15, 14099501), (19, 11131185), (39, 5422885), (57, 3710395), (65, 3253731), (95, 2226237), (169, 1251435), (195, 1084577), (247, 856245), (285, 742079), (507, 417145), (741, 285415), (845, 250287), (1235, 171249), (2535, 83429), (3211, 65865), (3705, 57083), (4391, 48165), (9633, 21955), (13173, 16055)]