388699065

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{457}}^1\times {\mathrm{461}}^1$

素因数の和:970

約数の個数: 48

約数和(自身を含む): 693188496

約数和(自身を除く): 304489431

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 457, 461, 615, 1371, 1383, 1845, 2285, 2305, 4113, 4149, 6855, 6915, 18737, 18901, 20565, 20745, 56211, 56703, 93685, 94505, 168633, 170109, 210677, 281055, 283515, 632031, 843165, 850545, 1053385, 1896093, 3160155, 8637757, 9480465, 25913271, 43188785, 77739813, 129566355, 388699065]

約数ペア:

[(1, 388699065), (3, 129566355), (5, 77739813), (9, 43188785), (15, 25913271), (41, 9480465), (45, 8637757), (123, 3160155), (205, 1896093), (369, 1053385), (457, 850545), (461, 843165), (615, 632031), (1371, 283515), (1383, 281055), (1845, 210677), (2285, 170109), (2305, 168633), (4113, 94505), (4149, 93685), (6855, 56703), (6915, 56211), (18737, 20745), (18901, 20565)]