3921075

素因数分解:

$3^3\times 5^2\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:213

約数の個数: 48

約数和(自身を含む): 7444960

約数和(自身を除く): 3523885

約数列:

[1, 3, 5, 9, 15, 25, 27, 37, 45, 75, 111, 135, 157, 185, 225, 333, 471, 555, 675, 785, 925, 999, 1413, 1665, 2355, 2775, 3925, 4239, 4995, 5809, 7065, 8325, 11775, 17427, 21195, 24975, 29045, 35325, 52281, 87135, 105975, 145225, 156843, 261405, 435675, 784215, 1307025, 3921075]

約数ペア:

[(1, 3921075), (3, 1307025), (5, 784215), (9, 435675), (15, 261405), (25, 156843), (27, 145225), (37, 105975), (45, 87135), (75, 52281), (111, 35325), (135, 29045), (157, 24975), (185, 21195), (225, 17427), (333, 11775), (471, 8325), (555, 7065), (675, 5809), (785, 4995), (925, 4239), (999, 3925), (1413, 2775), (1665, 2355)]