219776817

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{241}}^1\times {\mathrm{349}}^1$

素因数の和:673

約数の個数: 32

約数和(自身を含む): 322537600

約数和(自身を除く): 102760783

約数列:

[1, 3, 13, 39, 67, 201, 241, 349, 723, 871, 1047, 2613, 3133, 4537, 9399, 13611, 16147, 23383, 48441, 70149, 84109, 209911, 252327, 303979, 629733, 911937, 1093417, 3280251, 5635303, 16905909, 73258939, 219776817]

約数ペア:

[(1, 219776817), (3, 73258939), (13, 16905909), (39, 5635303), (67, 3280251), (201, 1093417), (241, 911937), (349, 629733), (723, 303979), (871, 252327), (1047, 209911), (2613, 84109), (3133, 70149), (4537, 48441), (9399, 23383), (13611, 16147)]