13747905

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{359}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 25608960

約数和(自身を除く): 11861055

約数列:

[1, 3, 5, 9, 15, 23, 37, 45, 69, 111, 115, 185, 207, 333, 345, 359, 555, 851, 1035, 1077, 1665, 1795, 2553, 3231, 4255, 5385, 7659, 8257, 12765, 13283, 16155, 24771, 38295, 39849, 41285, 66415, 74313, 119547, 123855, 199245, 305509, 371565, 597735, 916527, 1527545, 2749581, 4582635, 13747905]

約数ペア:

[(1, 13747905), (3, 4582635), (5, 2749581), (9, 1527545), (15, 916527), (23, 597735), (37, 371565), (45, 305509), (69, 199245), (111, 123855), (115, 119547), (185, 74313), (207, 66415), (333, 41285), (345, 39849), (359, 38295), (555, 24771), (851, 16155), (1035, 13283), (1077, 12765), (1665, 8257), (1795, 7659), (2553, 5385), (3231, 4255)]