319881471

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{887}}^1\times {\mathrm{1321}}^1$

素因数の和:2231

約数の個数: 32

約数和(自身を含む): 525923328

約数和(自身を除く): 206041857

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 887, 1321, 2661, 3963, 6209, 9247, 11531, 17173, 18627, 27741, 34593, 51519, 80717, 120211, 242151, 360633, 1171727, 3515181, 8202089, 15232451, 24606267, 45697353, 106627157, 319881471]

約数ペア:

[(1, 319881471), (3, 106627157), (7, 45697353), (13, 24606267), (21, 15232451), (39, 8202089), (91, 3515181), (273, 1171727), (887, 360633), (1321, 242151), (2661, 120211), (3963, 80717), (6209, 51519), (9247, 34593), (11531, 27741), (17173, 18627)]