208230981

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{193}}^1\times {\mathrm{619}}^1$

素因数の和:905

約数の個数: 32

約数和(自身を含む): 323312640

約数和(自身を除く): 115081659

約数列:

[1, 3, 7, 21, 83, 193, 249, 579, 581, 619, 1351, 1743, 1857, 4053, 4333, 12999, 16019, 48057, 51377, 112133, 119467, 154131, 336399, 358401, 359639, 836269, 1078917, 2508807, 9915761, 29747283, 69410327, 208230981]

約数ペア:

[(1, 208230981), (3, 69410327), (7, 29747283), (21, 9915761), (83, 2508807), (193, 1078917), (249, 836269), (579, 359639), (581, 358401), (619, 336399), (1351, 154131), (1743, 119467), (1857, 112133), (4053, 51377), (4333, 48057), (12999, 16019)]