420090885

素因数分解:

$3^2\times 5^1\times {\mathrm{2543}}^1\times {\mathrm{3671}}^1$

素因数の和:6225

約数の個数: 24

約数和(自身を含む): 728642304

約数和(自身を除く): 308551419

約数列:

[1, 3, 5, 9, 15, 45, 2543, 3671, 7629, 11013, 12715, 18355, 22887, 33039, 38145, 55065, 114435, 165195, 9335353, 28006059, 46676765, 84018177, 140030295, 420090885]

約数ペア:

[(1, 420090885), (3, 140030295), (5, 84018177), (9, 46676765), (15, 28006059), (45, 9335353), (2543, 165195), (3671, 114435), (7629, 55065), (11013, 38145), (12715, 33039), (18355, 22887)]