78211203

素因数分解:

$3^1\times 7^3\times {\mathrm{17}}^2\times {\mathrm{263}}^1$

素因数の和:321

約数の個数: 48

約数和(自身を含む): 129676800

約数和(自身を除く): 51465597

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 263, 289, 343, 357, 789, 833, 867, 1029, 1841, 2023, 2499, 4471, 5523, 5831, 6069, 12887, 13413, 14161, 17493, 31297, 38661, 42483, 76007, 90209, 93891, 99127, 219079, 228021, 270627, 297381, 532049, 657237, 1533553, 1596147, 3724343, 4600659, 11173029, 26070401, 78211203]

約数ペア:

[(1, 78211203), (3, 26070401), (7, 11173029), (17, 4600659), (21, 3724343), (49, 1596147), (51, 1533553), (119, 657237), (147, 532049), (263, 297381), (289, 270627), (343, 228021), (357, 219079), (789, 99127), (833, 93891), (867, 90209), (1029, 76007), (1841, 42483), (2023, 38661), (2499, 31297), (4471, 17493), (5523, 14161), (5831, 13413), (6069, 12887)]