23991009

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 37847040

約数和(自身を除く): 13856031

約数列:

[1, 3, 7, 21, 47, 109, 141, 223, 327, 329, 669, 763, 987, 1561, 2289, 4683, 5123, 10481, 15369, 24307, 31443, 35861, 72921, 73367, 107583, 170149, 220101, 510447, 1142429, 3427287, 7997003, 23991009]

約数ペア:

[(1, 23991009), (3, 7997003), (7, 3427287), (21, 1142429), (47, 510447), (109, 220101), (141, 170149), (223, 107583), (327, 73367), (329, 72921), (669, 35861), (763, 31443), (987, 24307), (1561, 15369), (2289, 10481), (4683, 5123)]