76680639

素因数分解:

$3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:201

約数の個数: 72

約数和(自身を含む): 136581120

約数和(自身を除く): 59900481

約数列:

[1, 3, 7, 9, 21, 31, 49, 63, 71, 79, 93, 147, 213, 217, 237, 279, 441, 497, 553, 639, 651, 711, 1491, 1519, 1659, 1953, 2201, 2449, 3479, 3871, 4473, 4557, 4977, 5609, 6603, 7347, 10437, 11613, 13671, 15407, 16827, 17143, 19809, 22041, 31311, 34839, 39263, 46221, 50481, 51429, 107849, 117789, 120001, 138663, 154287, 173879, 274841, 323547, 353367, 360003, 521637, 824523, 970641, 1080009, 1217153, 1564911, 2473569, 3651459, 8520071, 10954377, 25560213, 76680639]

約数ペア:

[(1, 76680639), (3, 25560213), (7, 10954377), (9, 8520071), (21, 3651459), (31, 2473569), (49, 1564911), (63, 1217153), (71, 1080009), (79, 970641), (93, 824523), (147, 521637), (213, 360003), (217, 353367), (237, 323547), (279, 274841), (441, 173879), (497, 154287), (553, 138663), (639, 120001), (651, 117789), (711, 107849), (1491, 51429), (1519, 50481), (1659, 46221), (1953, 39263), (2201, 34839), (2449, 31311), (3479, 22041), (3871, 19809), (4473, 17143), (4557, 16827), (4977, 15407), (5609, 13671), (6603, 11613), (7347, 10437)]