398082195

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{140417}}^1$

素因数の和:140441

約数の個数: 40

約数和(自身を含む): 815547744

約数和(自身を除く): 417465549

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 140417, 421251, 702085, 982919, 1263753, 2106255, 2948757, 3791259, 4914595, 6318765, 8846271, 11373777, 14743785, 18956295, 26538813, 44231355, 56868885, 79616439, 132694065, 398082195]

約数ペア:

[(1, 398082195), (3, 132694065), (5, 79616439), (7, 56868885), (9, 44231355), (15, 26538813), (21, 18956295), (27, 14743785), (35, 11373777), (45, 8846271), (63, 6318765), (81, 4914595), (105, 3791259), (135, 2948757), (189, 2106255), (315, 1263753), (405, 982919), (567, 702085), (945, 421251), (2835, 140417)]