249520905

素因数分解:

$3^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{8929}}^1$

素因数の和:8972

約数の個数: 48

約数和(自身を含む): 468074880

約数和(自身を除く): 218553975

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 243, 345, 405, 621, 1035, 1215, 1863, 3105, 5589, 8929, 9315, 26787, 27945, 44645, 80361, 133935, 205367, 241083, 401805, 616101, 723249, 1026835, 1205415, 1848303, 2169747, 3080505, 3616245, 5544909, 9241515, 10848735, 16634727, 27724545, 49904181, 83173635, 249520905]

約数ペア:

[(1, 249520905), (3, 83173635), (5, 49904181), (9, 27724545), (15, 16634727), (23, 10848735), (27, 9241515), (45, 5544909), (69, 3616245), (81, 3080505), (115, 2169747), (135, 1848303), (207, 1205415), (243, 1026835), (345, 723249), (405, 616101), (621, 401805), (1035, 241083), (1215, 205367), (1863, 133935), (3105, 80361), (5589, 44645), (8929, 27945), (9315, 26787)]