61520697

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 105431040

約数和(自身を除く): 43910343

約数列:

[1, 3, 7, 9, 21, 47, 63, 79, 141, 237, 263, 329, 423, 553, 711, 789, 987, 1659, 1841, 2367, 2961, 3713, 4977, 5523, 11139, 12361, 16569, 20777, 25991, 33417, 37083, 62331, 77973, 86527, 111249, 145439, 186993, 233919, 259581, 436317, 778743, 976519, 1308951, 2929557, 6835633, 8788671, 20506899, 61520697]

約数ペア:

[(1, 61520697), (3, 20506899), (7, 8788671), (9, 6835633), (21, 2929557), (47, 1308951), (63, 976519), (79, 778743), (141, 436317), (237, 259581), (263, 233919), (329, 186993), (423, 145439), (553, 111249), (711, 86527), (789, 77973), (987, 62331), (1659, 37083), (1841, 33417), (2367, 25991), (2961, 20777), (3713, 16569), (4977, 12361), (5523, 11139)]