71379585

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{659}}^1$

素因数の和:782

約数の個数: 48

約数和(自身を含む): 129729600

約数和(自身を除く): 58350015

約数列:

[1, 3, 5, 9, 15, 29, 45, 83, 87, 145, 249, 261, 415, 435, 659, 747, 1245, 1305, 1977, 2407, 3295, 3735, 5931, 7221, 9885, 12035, 19111, 21663, 29655, 36105, 54697, 57333, 95555, 108315, 164091, 171999, 273485, 286665, 492273, 820455, 859995, 1586213, 2461365, 4758639, 7931065, 14275917, 23793195, 71379585]

約数ペア:

[(1, 71379585), (3, 23793195), (5, 14275917), (9, 7931065), (15, 4758639), (29, 2461365), (45, 1586213), (83, 859995), (87, 820455), (145, 492273), (249, 286665), (261, 273485), (415, 171999), (435, 164091), (659, 108315), (747, 95555), (1245, 57333), (1305, 54697), (1977, 36105), (2407, 29655), (3295, 21663), (3735, 19111), (5931, 12035), (7221, 9885)]