15172521

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{373}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 25132800

約数和(自身を除く): 9960279

約数列:

[1, 3, 7, 13, 21, 39, 91, 149, 273, 373, 447, 1043, 1119, 1937, 2611, 3129, 4849, 5811, 7833, 13559, 14547, 33943, 40677, 55577, 101829, 166731, 389039, 722501, 1167117, 2167503, 5057507, 15172521]

約数ペア:

[(1, 15172521), (3, 5057507), (7, 2167503), (13, 1167117), (21, 722501), (39, 389039), (91, 166731), (149, 101829), (273, 55577), (373, 40677), (447, 33943), (1043, 14547), (1119, 13559), (1937, 7833), (2611, 5811), (3129, 4849)]