386768985

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{1321}}^1$

素因数の和:1609

約数の個数: 32

約数和(自身を含む): 628214400

約数和(自身を除く): 241445415

約数列:

[1, 3, 5, 15, 131, 149, 393, 447, 655, 745, 1321, 1965, 2235, 3963, 6605, 19519, 19815, 58557, 97595, 173051, 196829, 292785, 519153, 590487, 865255, 984145, 2595765, 2952435, 25784599, 77353797, 128922995, 386768985]

約数ペア:

[(1, 386768985), (3, 128922995), (5, 77353797), (15, 25784599), (131, 2952435), (149, 2595765), (393, 984145), (447, 865255), (655, 590487), (745, 519153), (1321, 292785), (1965, 196829), (2235, 173051), (3963, 97595), (6605, 58557), (19519, 19815)]