28550241

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{419}}^1$

素因数の和:605

約数の個数: 24

約数和(自身を含む): 42325920

約数和(自身を除く): 13775679

約数列:

[1, 3, 9, 67, 113, 201, 339, 419, 603, 1017, 1257, 3771, 7571, 22713, 28073, 47347, 68139, 84219, 142041, 252657, 426123, 3172249, 9516747, 28550241]

約数ペア:

[(1, 28550241), (3, 9516747), (9, 3172249), (67, 426123), (113, 252657), (201, 142041), (339, 84219), (419, 68139), (603, 47347), (1017, 28073), (1257, 22713), (3771, 7571)]