253470609

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{108739}}^1$

素因数の和:108789

約数の個数: 24

約数和(自身を含む): 429740480

約数和(自身を除く): 176269871

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 108739, 326217, 761173, 978651, 2283519, 4023343, 6850557, 12070029, 28163401, 36210087, 84490203, 253470609]

約数ペア:

[(1, 253470609), (3, 84490203), (7, 36210087), (9, 28163401), (21, 12070029), (37, 6850557), (63, 4023343), (111, 2283519), (259, 978651), (333, 761173), (777, 326217), (2331, 108739)]