18780435

素因数分解:

$3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{6229}}^1$

素因数の和:6307

約数の個数: 24

約数和(自身を含む): 33043920

約数和(自身を除く): 14263485

約数列:

[1, 3, 5, 9, 15, 45, 67, 201, 335, 603, 1005, 3015, 6229, 18687, 31145, 56061, 93435, 280305, 417343, 1252029, 2086715, 3756087, 6260145, 18780435]

約数ペア:

[(1, 18780435), (3, 6260145), (5, 3756087), (9, 2086715), (15, 1252029), (45, 417343), (67, 280305), (201, 93435), (335, 56061), (603, 31145), (1005, 18687), (3015, 6229)]