997965

素因数分解:

$3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{331}}^1$

素因数の和:409

約数の個数: 24

約数和(自身を含む): 1760928

約数和(自身を除く): 762963

約数列:

[1, 3, 5, 9, 15, 45, 67, 201, 331, 335, 603, 993, 1005, 1655, 2979, 3015, 4965, 14895, 22177, 66531, 110885, 199593, 332655, 997965]

約数ペア:

[(1, 997965), (3, 332655), (5, 199593), (9, 110885), (15, 66531), (45, 22177), (67, 14895), (201, 4965), (331, 3015), (335, 2979), (603, 1655), (993, 1005)]