51138375

素因数分解:

$3^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:185

約数の個数: 64

約数和(自身を含む): 90574848

約数和(自身を除く): 39436473

約数列:

[1, 3, 5, 15, 25, 31, 53, 75, 83, 93, 125, 155, 159, 249, 265, 375, 415, 465, 775, 795, 1245, 1325, 1643, 2075, 2325, 2573, 3875, 3975, 4399, 4929, 6225, 6625, 7719, 8215, 10375, 11625, 12865, 13197, 19875, 21995, 24645, 31125, 38595, 41075, 64325, 65985, 109975, 123225, 136369, 192975, 205375, 321625, 329925, 409107, 549875, 616125, 681845, 964875, 1649625, 2045535, 3409225, 10227675, 17046125, 51138375]

約数ペア:

[(1, 51138375), (3, 17046125), (5, 10227675), (15, 3409225), (25, 2045535), (31, 1649625), (53, 964875), (75, 681845), (83, 616125), (93, 549875), (125, 409107), (155, 329925), (159, 321625), (249, 205375), (265, 192975), (375, 136369), (415, 123225), (465, 109975), (775, 65985), (795, 64325), (1245, 41075), (1325, 38595), (1643, 31125), (2075, 24645), (2325, 21995), (2573, 19875), (3875, 13197), (3975, 12865), (4399, 11625), (4929, 10375), (6225, 8215), (6625, 7719)]