38818125

素因数分解:

$3^2\times 5^4\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:196

約数の個数: 60

約数和(自身を含む): 71802016

約数和(自身を除く): 32983891

約数列:

[1, 3, 5, 9, 15, 25, 45, 67, 75, 103, 125, 201, 225, 309, 335, 375, 515, 603, 625, 927, 1005, 1125, 1545, 1675, 1875, 2575, 3015, 4635, 5025, 5625, 6901, 7725, 8375, 12875, 15075, 20703, 23175, 25125, 34505, 38625, 41875, 62109, 64375, 75375, 103515, 115875, 125625, 172525, 193125, 310545, 376875, 517575, 579375, 862625, 1552725, 2587875, 4313125, 7763625, 12939375, 38818125]

約数ペア:

[(1, 38818125), (3, 12939375), (5, 7763625), (9, 4313125), (15, 2587875), (25, 1552725), (45, 862625), (67, 579375), (75, 517575), (103, 376875), (125, 310545), (201, 193125), (225, 172525), (309, 125625), (335, 115875), (375, 103515), (515, 75375), (603, 64375), (625, 62109), (927, 41875), (1005, 38625), (1125, 34505), (1545, 25125), (1675, 23175), (1875, 20703), (2575, 15075), (3015, 12875), (4635, 8375), (5025, 7725), (5625, 6901)]