218093043

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{146273}}^1$

素因数の和:146354

約数の個数: 16

約数和(自身を含む): 337015296

約数和(自身を除く): 118922253

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 146273, 438819, 1023911, 3071733, 10385383, 31156149, 72697681, 218093043]

約数ペア:

[(1, 218093043), (3, 72697681), (7, 31156149), (21, 10385383), (71, 3071733), (213, 1023911), (497, 438819), (1491, 146273)]