78987525

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1511}}^1$

素因数の和:1582

約数の個数: 48

約数和(自身を含む): 141740928

約数和(自身を除く): 62753403

約数列:

[1, 3, 5, 15, 17, 25, 41, 51, 75, 85, 123, 205, 255, 425, 615, 697, 1025, 1275, 1511, 2091, 3075, 3485, 4533, 7555, 10455, 17425, 22665, 25687, 37775, 52275, 61951, 77061, 113325, 128435, 185853, 309755, 385305, 642175, 929265, 1053167, 1548775, 1926525, 3159501, 4646325, 5265835, 15797505, 26329175, 78987525]

約数ペア:

[(1, 78987525), (3, 26329175), (5, 15797505), (15, 5265835), (17, 4646325), (25, 3159501), (41, 1926525), (51, 1548775), (75, 1053167), (85, 929265), (123, 642175), (205, 385305), (255, 309755), (425, 185853), (615, 128435), (697, 113325), (1025, 77061), (1275, 61951), (1511, 52275), (2091, 37775), (3075, 25687), (3485, 22665), (4533, 17425), (7555, 10455)]