81078426

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{2423}}^1$

素因数の和:2468

約数の個数: 72

約数和(自身を含む): 207601056

約数和(自身を除く): 126522630

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 33, 39, 66, 78, 99, 117, 143, 169, 198, 234, 286, 338, 429, 507, 858, 1014, 1287, 1521, 1859, 2423, 2574, 3042, 3718, 4846, 5577, 7269, 11154, 14538, 16731, 21807, 26653, 31499, 33462, 43614, 53306, 62998, 79959, 94497, 159918, 188994, 239877, 283491, 346489, 409487, 479754, 566982, 692978, 818974, 1039467, 1228461, 2078934, 2456922, 3118401, 3685383, 4504357, 6236802, 7370766, 9008714, 13513071, 27026142, 40539213, 81078426]

約数ペア:

[(1, 81078426), (2, 40539213), (3, 27026142), (6, 13513071), (9, 9008714), (11, 7370766), (13, 6236802), (18, 4504357), (22, 3685383), (26, 3118401), (33, 2456922), (39, 2078934), (66, 1228461), (78, 1039467), (99, 818974), (117, 692978), (143, 566982), (169, 479754), (198, 409487), (234, 346489), (286, 283491), (338, 239877), (429, 188994), (507, 159918), (858, 94497), (1014, 79959), (1287, 62998), (1521, 53306), (1859, 43614), (2423, 33462), (2574, 31499), (3042, 26653), (3718, 21807), (4846, 16731), (5577, 14538), (7269, 11154)]