81501042

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{181}}^1$

素因数の和:415

約数の個数: 64

約数和(自身を含む): 191213568

約数和(自身を除く): 109712526

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 142, 151, 181, 213, 302, 362, 426, 453, 497, 543, 906, 994, 1057, 1086, 1267, 1491, 2114, 2534, 2982, 3171, 3801, 6342, 7602, 10721, 12851, 21442, 25702, 27331, 32163, 38553, 54662, 64326, 75047, 77106, 81993, 89957, 150094, 163986, 179914, 191317, 225141, 269871, 382634, 450282, 539742, 573951, 1147902, 1940501, 3881002, 5821503, 11643006, 13583507, 27167014, 40750521, 81501042]

約数ペア:

[(1, 81501042), (2, 40750521), (3, 27167014), (6, 13583507), (7, 11643006), (14, 5821503), (21, 3881002), (42, 1940501), (71, 1147902), (142, 573951), (151, 539742), (181, 450282), (213, 382634), (302, 269871), (362, 225141), (426, 191317), (453, 179914), (497, 163986), (543, 150094), (906, 89957), (994, 81993), (1057, 77106), (1086, 75047), (1267, 64326), (1491, 54662), (2114, 38553), (2534, 32163), (2982, 27331), (3171, 25702), (3801, 21442), (6342, 12851), (7602, 10721)]