321457409

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2089}}^1$

素因数の和:2217

約数の個数: 32

約数和(自身を含む): 421344000

約数和(自身を除く): 99886591

約数列:

[1, 7, 13, 19, 89, 91, 133, 247, 623, 1157, 1691, 1729, 2089, 8099, 11837, 14623, 21983, 27157, 39691, 153881, 185921, 190099, 277837, 515983, 1301447, 2416973, 3532499, 3611881, 16918811, 24727493, 45922487, 321457409]

約数ペア:

[(1, 321457409), (7, 45922487), (13, 24727493), (19, 16918811), (89, 3611881), (91, 3532499), (133, 2416973), (247, 1301447), (623, 515983), (1157, 277837), (1691, 190099), (1729, 185921), (2089, 153881), (8099, 39691), (11837, 27157), (14623, 21983)]