138766215

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{69557}}^1$

素因数の和:69591

約数の個数: 32

約数和(自身を含む): 267102720

約数和(自身を除く): 128336505

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 69557, 208671, 347785, 486899, 1043355, 1321583, 1460697, 2434495, 3964749, 6607915, 7303485, 9251081, 19823745, 27753243, 46255405, 138766215]

約数ペア:

[(1, 138766215), (3, 46255405), (5, 27753243), (7, 19823745), (15, 9251081), (19, 7303485), (21, 6607915), (35, 3964749), (57, 2434495), (95, 1460697), (105, 1321583), (133, 1043355), (285, 486899), (399, 347785), (665, 208671), (1995, 69557)]