321390515457

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{419}}^1\times {\mathrm{20443}}^1$

素因数の和:21258

約数の個数: 48

約数和(自身を含む): 509006534400

約数和(自身を除く): 187616018943

約数列:

[1, 3, 9, 11, 33, 99, 379, 419, 1137, 1257, 3411, 3771, 4169, 4609, 12507, 13827, 20443, 37521, 41481, 61329, 158801, 183987, 224873, 476403, 674619, 1429209, 1746811, 2023857, 5240433, 7747897, 8565617, 15721299, 23243691, 25696851, 69731073, 77090553, 85226867, 94221787, 255680601, 282665361, 767041803, 847996083, 3246368843, 9739106529, 29217319587, 35710057273, 107130171819, 321390515457]

約数ペア:

[(1, 321390515457), (3, 107130171819), (9, 35710057273), (11, 29217319587), (33, 9739106529), (99, 3246368843), (379, 847996083), (419, 767041803), (1137, 282665361), (1257, 255680601), (3411, 94221787), (3771, 85226867), (4169, 77090553), (4609, 69731073), (12507, 25696851), (13827, 23243691), (20443, 15721299), (37521, 8565617), (41481, 7747897), (61329, 5240433), (158801, 2023857), (183987, 1746811), (224873, 1429209), (476403, 674619)]