390908025

素因数分解:

$3^6\times 5^2\times {\mathrm{89}}^1\times {\mathrm{241}}^1$

素因数の和:358

約数の個数: 84

約数和(自身を含む): 737971740

約数和(自身を除く): 347063715

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 89, 135, 225, 241, 243, 267, 405, 445, 675, 723, 729, 801, 1205, 1215, 1335, 2025, 2169, 2225, 2403, 3615, 3645, 4005, 6025, 6075, 6507, 6675, 7209, 10845, 12015, 18075, 18225, 19521, 20025, 21449, 21627, 32535, 36045, 54225, 58563, 60075, 64347, 64881, 97605, 107245, 108135, 162675, 175689, 180225, 193041, 292815, 321735, 324405, 488025, 536225, 540675, 579123, 878445, 965205, 1464075, 1608675, 1622025, 1737369, 2895615, 4392225, 4826025, 5212107, 8686845, 14478075, 15636321, 26060535, 43434225, 78181605, 130302675, 390908025]

約数ペア:

[(1, 390908025), (3, 130302675), (5, 78181605), (9, 43434225), (15, 26060535), (25, 15636321), (27, 14478075), (45, 8686845), (75, 5212107), (81, 4826025), (89, 4392225), (135, 2895615), (225, 1737369), (241, 1622025), (243, 1608675), (267, 1464075), (405, 965205), (445, 878445), (675, 579123), (723, 540675), (729, 536225), (801, 488025), (1205, 324405), (1215, 321735), (1335, 292815), (2025, 193041), (2169, 180225), (2225, 175689), (2403, 162675), (3615, 108135), (3645, 107245), (4005, 97605), (6025, 64881), (6075, 64347), (6507, 60075), (6675, 58563), (7209, 54225), (10845, 36045), (12015, 32535), (18075, 21627), (18225, 21449), (19521, 20025)]