28376325

素因数分解:

$3^8\times 5^2\times {\mathrm{173}}^1$

素因数の和:207

約数の個数: 54

約数和(自身を含む): 53082354

約数和(自身を除く): 24706029

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 173, 225, 243, 405, 519, 675, 729, 865, 1215, 1557, 2025, 2187, 2595, 3645, 4325, 4671, 6075, 6561, 7785, 10935, 12975, 14013, 18225, 23355, 32805, 38925, 42039, 54675, 70065, 116775, 126117, 164025, 210195, 350325, 378351, 630585, 1050975, 1135053, 1891755, 3152925, 5675265, 9458775, 28376325]

約数ペア:

[(1, 28376325), (3, 9458775), (5, 5675265), (9, 3152925), (15, 1891755), (25, 1135053), (27, 1050975), (45, 630585), (75, 378351), (81, 350325), (135, 210195), (173, 164025), (225, 126117), (243, 116775), (405, 70065), (519, 54675), (675, 42039), (729, 38925), (865, 32805), (1215, 23355), (1557, 18225), (2025, 14013), (2187, 12975), (2595, 10935), (3645, 7785), (4325, 6561), (4671, 6075)]