128889369

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:187

約数の個数: 96

約数和(自身を含む): 239616000

約数和(自身を除く): 110726631

約数列:

[1, 3, 7, 9, 19, 21, 29, 47, 57, 63, 79, 87, 133, 141, 171, 203, 237, 261, 329, 399, 423, 551, 553, 609, 711, 893, 987, 1197, 1363, 1501, 1653, 1659, 1827, 2291, 2679, 2961, 3713, 3857, 4089, 4503, 4959, 4977, 6251, 6873, 8037, 9541, 10507, 11139, 11571, 12267, 13509, 16037, 18753, 20619, 25897, 25991, 28623, 31521, 33417, 34713, 43529, 48111, 56259, 70547, 77691, 77973, 85869, 94563, 107677, 130587, 144333, 181279, 211641, 233073, 233919, 304703, 323031, 391761, 493829, 543837, 634923, 753739, 914109, 969093, 1481487, 1631511, 2045863, 2261217, 2742327, 4444461, 6137589, 6783651, 14321041, 18412767, 42963123, 128889369]

約数ペア:

[(1, 128889369), (3, 42963123), (7, 18412767), (9, 14321041), (19, 6783651), (21, 6137589), (29, 4444461), (47, 2742327), (57, 2261217), (63, 2045863), (79, 1631511), (87, 1481487), (133, 969093), (141, 914109), (171, 753739), (203, 634923), (237, 543837), (261, 493829), (329, 391761), (399, 323031), (423, 304703), (551, 233919), (553, 233073), (609, 211641), (711, 181279), (893, 144333), (987, 130587), (1197, 107677), (1363, 94563), (1501, 85869), (1653, 77973), (1659, 77691), (1827, 70547), (2291, 56259), (2679, 48111), (2961, 43529), (3713, 34713), (3857, 33417), (4089, 31521), (4503, 28623), (4959, 25991), (4977, 25897), (6251, 20619), (6873, 18753), (8037, 16037), (9541, 13509), (10507, 12267), (11139, 11571)]