75487725

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{503}}^1$

素因数の和:571

約数の個数: 72

約数和(自身を含む): 146240640

約数和(自身を除く): 70752915

約数列:

[1, 3, 5, 9, 15, 23, 25, 29, 45, 69, 75, 87, 115, 145, 207, 225, 261, 345, 435, 503, 575, 667, 725, 1035, 1305, 1509, 1725, 2001, 2175, 2515, 3335, 4527, 5175, 6003, 6525, 7545, 10005, 11569, 12575, 14587, 16675, 22635, 30015, 34707, 37725, 43761, 50025, 57845, 72935, 104121, 113175, 131283, 150075, 173535, 218805, 289225, 335501, 364675, 520605, 656415, 867675, 1006503, 1094025, 1677505, 2603025, 3019509, 3282075, 5032515, 8387525, 15097545, 25162575, 75487725]

約数ペア:

[(1, 75487725), (3, 25162575), (5, 15097545), (9, 8387525), (15, 5032515), (23, 3282075), (25, 3019509), (29, 2603025), (45, 1677505), (69, 1094025), (75, 1006503), (87, 867675), (115, 656415), (145, 520605), (207, 364675), (225, 335501), (261, 289225), (345, 218805), (435, 173535), (503, 150075), (575, 131283), (667, 113175), (725, 104121), (1035, 72935), (1305, 57845), (1509, 50025), (1725, 43761), (2001, 37725), (2175, 34707), (2515, 30015), (3335, 22635), (4527, 16675), (5175, 14587), (6003, 12575), (6525, 11569), (7545, 10005)]