66917145

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{3307}}^1$

素因数の和:3405

約数の個数: 32

約数和(自身を含む): 114324480

約数和(自身を除く): 47407335

約数列:

[1, 3, 5, 15, 19, 57, 71, 95, 213, 285, 355, 1065, 1349, 3307, 4047, 6745, 9921, 16535, 20235, 49605, 62833, 188499, 234797, 314165, 704391, 942495, 1173985, 3521955, 4461143, 13383429, 22305715, 66917145]

約数ペア:

[(1, 66917145), (3, 22305715), (5, 13383429), (15, 4461143), (19, 3521955), (57, 1173985), (71, 942495), (95, 704391), (213, 314165), (285, 234797), (355, 188499), (1065, 62833), (1349, 49605), (3307, 20235), (4047, 16535), (6745, 9921)]