28383813

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{457}}^1$

素因数の和:633

約数の個数: 24

約数和(自身を含む): 42106688

約数和(自身を除く): 13722875

約数列:

[1, 3, 9, 67, 103, 201, 309, 457, 603, 927, 1371, 4113, 6901, 20703, 30619, 47071, 62109, 91857, 141213, 275571, 423639, 3153757, 9461271, 28383813]

約数ペア:

[(1, 28383813), (3, 9461271), (9, 3153757), (67, 423639), (103, 275571), (201, 141213), (309, 91857), (457, 62109), (603, 47071), (927, 30619), (1371, 20703), (4113, 6901)]