320412243

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1\times {\mathrm{271}}^1$

素因数の和:627

約数の個数: 32

約数和(自身を含む): 460615680

約数和(自身を除く): 140203437

約数列:

[1, 3, 17, 51, 97, 239, 271, 291, 717, 813, 1649, 4063, 4607, 4947, 12189, 13821, 23183, 26287, 64769, 69549, 78861, 194307, 394111, 446879, 1101073, 1182333, 1340637, 3303219, 6282593, 18847779, 106804081, 320412243]

約数ペア:

[(1, 320412243), (3, 106804081), (17, 18847779), (51, 6282593), (97, 3303219), (239, 1340637), (271, 1182333), (291, 1101073), (717, 446879), (813, 394111), (1649, 194307), (4063, 78861), (4607, 69549), (4947, 64769), (12189, 26287), (13821, 23183)]