20171085921

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{10328257}}^1$

素因数の和:10328301

約数の個数: 24

約数和(自身を含む): 34372442624

約数和(自身を除く): 14201356703

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 10328257, 30984771, 72297799, 92954313, 216893397, 320175967, 650680191, 960527901, 2241231769, 2881583703, 6723695307, 20171085921]

約数ペア:

[(1, 20171085921), (3, 6723695307), (7, 2881583703), (9, 2241231769), (21, 960527901), (31, 650680191), (63, 320175967), (93, 216893397), (217, 92954313), (279, 72297799), (651, 30984771), (1953, 10328257)]