72215031

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 119224064

約数和(自身を除く): 47009033

約数列:

[1, 3, 7, 17, 21, 51, 73, 119, 163, 219, 289, 357, 489, 511, 867, 1141, 1241, 1533, 2023, 2771, 3423, 3723, 6069, 8313, 8687, 11899, 19397, 21097, 26061, 35697, 47107, 58191, 63291, 83293, 141321, 147679, 202283, 249879, 329749, 443037, 606849, 989247, 1415981, 3438811, 4247943, 10316433, 24071677, 72215031]

約数ペア:

[(1, 72215031), (3, 24071677), (7, 10316433), (17, 4247943), (21, 3438811), (51, 1415981), (73, 989247), (119, 606849), (163, 443037), (219, 329749), (289, 249879), (357, 202283), (489, 147679), (511, 141321), (867, 83293), (1141, 63291), (1241, 58191), (1533, 47107), (2023, 35697), (2771, 26061), (3423, 21097), (3723, 19397), (6069, 11899), (8313, 8687)]