72031491

素因数分解:

$3^3\times 7^1\times {\mathrm{173}}^1\times {\mathrm{2203}}^1$

素因数の和:2392

約数の個数: 32

約数和(自身を含む): 122718720

約数和(自身を除く): 50687229

約数列:

[1, 3, 7, 9, 21, 27, 63, 173, 189, 519, 1211, 1557, 2203, 3633, 4671, 6609, 10899, 15421, 19827, 32697, 46263, 59481, 138789, 381119, 416367, 1143357, 2667833, 3430071, 8003499, 10290213, 24010497, 72031491]

約数ペア:

[(1, 72031491), (3, 24010497), (7, 10290213), (9, 8003499), (21, 3430071), (27, 2667833), (63, 1143357), (173, 416367), (189, 381119), (519, 138789), (1211, 59481), (1557, 46263), (2203, 32697), (3633, 19827), (4671, 15421), (6609, 10899)]