81081858

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1$

素因数の和:133

約数の個数: 80

約数和(自身を含む): 194806080

約数和(自身を除く): 113724222

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 71, 78, 121, 142, 143, 213, 242, 286, 363, 426, 429, 726, 781, 858, 923, 1331, 1562, 1573, 1846, 2343, 2662, 2769, 3146, 3993, 4686, 4719, 5538, 7986, 8591, 9438, 10153, 14641, 17182, 17303, 20306, 25773, 29282, 30459, 34606, 43923, 51546, 51909, 60918, 87846, 94501, 103818, 111683, 189002, 190333, 223366, 283503, 335049, 380666, 567006, 570999, 670098, 1039511, 1141998, 1228513, 2079022, 2457026, 3118533, 3685539, 6237066, 7371078, 13513643, 27027286, 40540929, 81081858]

約数ペア:

[(1, 81081858), (2, 40540929), (3, 27027286), (6, 13513643), (11, 7371078), (13, 6237066), (22, 3685539), (26, 3118533), (33, 2457026), (39, 2079022), (66, 1228513), (71, 1141998), (78, 1039511), (121, 670098), (142, 570999), (143, 567006), (213, 380666), (242, 335049), (286, 283503), (363, 223366), (426, 190333), (429, 189002), (726, 111683), (781, 103818), (858, 94501), (923, 87846), (1331, 60918), (1562, 51909), (1573, 51546), (1846, 43923), (2343, 34606), (2662, 30459), (2769, 29282), (3146, 25773), (3993, 20306), (4686, 17303), (4719, 17182), (5538, 14641), (7986, 10153), (8591, 9438)]