385281

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:145

約数の個数: 24

約数和(自身を含む): 622440

約数和(自身を除く): 237159

約数列:

[1, 3, 9, 13, 37, 39, 89, 111, 117, 267, 333, 481, 801, 1157, 1443, 3293, 3471, 4329, 9879, 10413, 29637, 42809, 128427, 385281]

約数ペア:

[(1, 385281), (3, 128427), (9, 42809), (13, 29637), (37, 10413), (39, 9879), (89, 4329), (111, 3471), (117, 3293), (267, 1443), (333, 1157), (481, 801)]