156960363

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{1721}}^1$

素因数の和:1875

約数の個数: 32

約数和(自身を含む): 247306752

約数和(自身を除く): 90346389

約数列:

[1, 3, 7, 21, 43, 101, 129, 301, 303, 707, 903, 1721, 2121, 4343, 5163, 12047, 13029, 30401, 36141, 74003, 91203, 173821, 222009, 518021, 521463, 1216747, 1554063, 3650241, 7474303, 22422909, 52320121, 156960363]

約数ペア:

[(1, 156960363), (3, 52320121), (7, 22422909), (21, 7474303), (43, 3650241), (101, 1554063), (129, 1216747), (301, 521463), (303, 518021), (707, 222009), (903, 173821), (1721, 91203), (2121, 74003), (4343, 36141), (5163, 30401), (12047, 13029)]