291212229

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{1499}}^1$

素因数の和:1578

約数の個数: 48

約数和(自身を含む): 501696000

約数和(自身を除く): 210483771

約数列:

[1, 3, 7, 11, 21, 29, 33, 77, 87, 203, 231, 319, 609, 841, 957, 1499, 2233, 2523, 4497, 5887, 6699, 9251, 10493, 16489, 17661, 27753, 31479, 43471, 49467, 64757, 115423, 130413, 194271, 304297, 346269, 478181, 912891, 1260659, 1434543, 3347267, 3781977, 8824613, 10041801, 13867249, 26473839, 41601747, 97070743, 291212229]

約数ペア:

[(1, 291212229), (3, 97070743), (7, 41601747), (11, 26473839), (21, 13867249), (29, 10041801), (33, 8824613), (77, 3781977), (87, 3347267), (203, 1434543), (231, 1260659), (319, 912891), (609, 478181), (841, 346269), (957, 304297), (1499, 194271), (2233, 130413), (2523, 115423), (4497, 64757), (5887, 49467), (6699, 43471), (9251, 31479), (10493, 27753), (16489, 17661)]