31449327

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{2351}}^1$

素因数の和:2388

約数の個数: 32

約数和(自身を含む): 52684800

約数和(自身を除く): 21235473

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 343, 637, 1029, 1911, 2351, 4459, 7053, 13377, 16457, 30563, 49371, 91689, 115199, 213941, 345597, 641823, 806393, 1497587, 2419179, 4492761, 10483109, 31449327]

約数ペア:

[(1, 31449327), (3, 10483109), (7, 4492761), (13, 2419179), (21, 1497587), (39, 806393), (49, 641823), (91, 345597), (147, 213941), (273, 115199), (343, 91689), (637, 49371), (1029, 30563), (1911, 16457), (2351, 13377), (4459, 7053)]