221400537

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{71167}}^1$

素因数の和:71248

約数の個数: 16

約数和(自身を含む): 317693952

約数和(自身を除く): 96293415

約数列:

[1, 3, 17, 51, 61, 183, 1037, 3111, 71167, 213501, 1209839, 3629517, 4341187, 13023561, 73800179, 221400537]

約数ペア:

[(1, 221400537), (3, 73800179), (17, 13023561), (51, 4341187), (61, 3629517), (183, 1209839), (1037, 213501), (3111, 71167)]