77904981

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1423}}^1$

素因数の和:1526

約数の個数: 48

約数和(自身を含む): 142172160

約数和(自身を除く): 64267179

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 79, 99, 231, 237, 553, 693, 711, 869, 1423, 1659, 2607, 4269, 4977, 6083, 7821, 9961, 12807, 15653, 18249, 29883, 46959, 54747, 89649, 109571, 112417, 140877, 328713, 337251, 786919, 986139, 1011753, 1236587, 2360757, 3709761, 7082271, 8656109, 11129283, 25968327, 77904981]

約数ペア:

[(1, 77904981), (3, 25968327), (7, 11129283), (9, 8656109), (11, 7082271), (21, 3709761), (33, 2360757), (63, 1236587), (77, 1011753), (79, 986139), (99, 786919), (231, 337251), (237, 328713), (553, 140877), (693, 112417), (711, 109571), (869, 89649), (1423, 54747), (1659, 46959), (2607, 29883), (4269, 18249), (4977, 15653), (6083, 12807), (7821, 9961)]