72196257

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{25849}}^1$

素因数の和:25885

約数の個数: 24

約数和(自身を含む): 117876000

約数和(自身を除く): 45679743

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 25849, 77547, 180943, 491131, 542829, 1266601, 1473393, 3437917, 3799803, 10313751, 24065419, 72196257]

約数ペア:

[(1, 72196257), (3, 24065419), (7, 10313751), (19, 3799803), (21, 3437917), (49, 1473393), (57, 1266601), (133, 542829), (147, 491131), (399, 180943), (931, 77547), (2793, 25849)]