1900795215

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11519971}}^1$

素因数の和:11519990

約数の個数: 16

約数和(自身を含む): 3317751936

約数和(自身を除く): 1416956721

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 11519971, 34559913, 57599855, 126719681, 172799565, 380159043, 633598405, 1900795215]

約数ペア:

[(1, 1900795215), (3, 633598405), (5, 380159043), (11, 172799565), (15, 126719681), (33, 57599855), (55, 34559913), (165, 11519971)]