77811075

素因数分解:

$3^2\times 5^2\times {\mathrm{173}}^1\times {\mathrm{1999}}^1$

素因数の和:2188

約数の個数: 36

約数和(自身を含む): 140244000

約数和(自身を除く): 62432925

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 173, 225, 519, 865, 1557, 1999, 2595, 4325, 5997, 7785, 9995, 12975, 17991, 29985, 38925, 49975, 89955, 149925, 345827, 449775, 1037481, 1729135, 3112443, 5187405, 8645675, 15562215, 25937025, 77811075]

約数ペア:

[(1, 77811075), (3, 25937025), (5, 15562215), (9, 8645675), (15, 5187405), (25, 3112443), (45, 1729135), (75, 1037481), (173, 449775), (225, 345827), (519, 149925), (865, 89955), (1557, 49975), (1999, 38925), (2595, 29985), (4325, 17991), (5997, 12975), (7785, 9995)]