81627966

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1$

素因数の和:311

約数の個数: 128

約数和(自身を含む): 222566400

約数和(自身を除く): 140938434

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 27, 41, 42, 46, 54, 63, 69, 82, 123, 126, 138, 161, 189, 207, 229, 246, 287, 322, 369, 378, 414, 458, 483, 574, 621, 687, 738, 861, 943, 966, 1107, 1242, 1374, 1449, 1603, 1722, 1886, 2061, 2214, 2583, 2829, 2898, 3206, 4122, 4347, 4809, 5166, 5267, 5658, 6183, 6601, 7749, 8487, 8694, 9389, 9618, 10534, 12366, 13202, 14427, 15498, 15801, 16974, 18778, 19803, 25461, 28167, 28854, 31602, 36869, 39606, 43281, 47403, 50922, 56334, 59409, 65723, 73738, 84501, 86562, 94806, 110607, 118818, 131446, 142209, 169002, 178227, 197169, 215947, 221214, 253503, 284418, 331821, 356454, 394338, 431894, 507006, 591507, 647841, 663642, 995463, 1183014, 1295682, 1511629, 1774521, 1943523, 1990926, 3023258, 3549042, 3887046, 4534887, 5830569, 9069774, 11661138, 13604661, 27209322, 40813983, 81627966]

約数ペア:

[(1, 81627966), (2, 40813983), (3, 27209322), (6, 13604661), (7, 11661138), (9, 9069774), (14, 5830569), (18, 4534887), (21, 3887046), (23, 3549042), (27, 3023258), (41, 1990926), (42, 1943523), (46, 1774521), (54, 1511629), (63, 1295682), (69, 1183014), (82, 995463), (123, 663642), (126, 647841), (138, 591507), (161, 507006), (189, 431894), (207, 394338), (229, 356454), (246, 331821), (287, 284418), (322, 253503), (369, 221214), (378, 215947), (414, 197169), (458, 178227), (483, 169002), (574, 142209), (621, 131446), (687, 118818), (738, 110607), (861, 94806), (943, 86562), (966, 84501), (1107, 73738), (1242, 65723), (1374, 59409), (1449, 56334), (1603, 50922), (1722, 47403), (1886, 43281), (2061, 39606), (2214, 36869), (2583, 31602), (2829, 28854), (2898, 28167), (3206, 25461), (4122, 19803), (4347, 18778), (4809, 16974), (5166, 15801), (5267, 15498), (5658, 14427), (6183, 13202), (6601, 12366), (7749, 10534), (8487, 9618), (8694, 9389)]