155778915

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{2797}}^1$

素因数の和:2931

約数の個数: 32

約数和(自身を含む): 257863680

約数和(自身を除く): 102084765

約数列:

[1, 3, 5, 15, 47, 79, 141, 235, 237, 395, 705, 1185, 2797, 3713, 8391, 11139, 13985, 18565, 41955, 55695, 131459, 220963, 394377, 657295, 662889, 1104815, 1971885, 3314445, 10385261, 31155783, 51926305, 155778915]

約数ペア:

[(1, 155778915), (3, 51926305), (5, 31155783), (15, 10385261), (47, 3314445), (79, 1971885), (141, 1104815), (235, 662889), (237, 657295), (395, 394377), (705, 220963), (1185, 131459), (2797, 55695), (3713, 41955), (8391, 18565), (11139, 13985)]