15384215

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1289}}^1$

素因数の和:1343

約数の個数: 32

約数和(自身を含む): 23777280

約数和(自身を除く): 8393065

約数列:

[1, 5, 7, 11, 31, 35, 55, 77, 155, 217, 341, 385, 1085, 1289, 1705, 2387, 6445, 9023, 11935, 14179, 39959, 45115, 70895, 99253, 199795, 279713, 439549, 496265, 1398565, 2197745, 3076843, 15384215]

約数ペア:

[(1, 15384215), (5, 3076843), (7, 2197745), (11, 1398565), (31, 496265), (35, 439549), (55, 279713), (77, 199795), (155, 99253), (217, 70895), (341, 45115), (385, 39959), (1085, 14179), (1289, 11935), (1705, 9023), (2387, 6445)]