199499811

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{4079}}^1$

素因数の和:4243

約数の個数: 32

約数和(自身を含む): 324311040

約数和(自身を除く): 124811229

約数列:

[1, 3, 7, 17, 21, 51, 119, 137, 357, 411, 959, 2329, 2877, 4079, 6987, 12237, 16303, 28553, 48909, 69343, 85659, 208029, 485401, 558823, 1456203, 1676469, 3911761, 9499991, 11735283, 28499973, 66499937, 199499811]

約数ペア:

[(1, 199499811), (3, 66499937), (7, 28499973), (17, 11735283), (21, 9499991), (51, 3911761), (119, 1676469), (137, 1456203), (357, 558823), (411, 485401), (959, 208029), (2329, 85659), (2877, 69343), (4079, 48909), (6987, 28553), (12237, 16303)]