217871271

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{11689}}^1$

素因数の和:11823

約数の個数: 24

約数和(自身を含む): 334334000

約数和(自身を除く): 116462729

約数列:

[1, 3, 9, 19, 57, 109, 171, 327, 981, 2071, 6213, 11689, 18639, 35067, 105201, 222091, 666273, 1274101, 1998819, 3822303, 11466909, 24207919, 72623757, 217871271]

約数ペア:

[(1, 217871271), (3, 72623757), (9, 24207919), (19, 11466909), (57, 3822303), (109, 1998819), (171, 1274101), (327, 666273), (981, 222091), (2071, 105201), (6213, 35067), (11689, 18639)]