81481446

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{619}}^1$

素因数の和:801

約数の個数: 48

約数和(自身を含む): 181059840

約数和(自身を除く): 99578394

約数列:

[1, 2, 3, 6, 9, 18, 71, 103, 142, 206, 213, 309, 426, 618, 619, 639, 927, 1238, 1278, 1854, 1857, 3714, 5571, 7313, 11142, 14626, 21939, 43878, 43949, 63757, 65817, 87898, 127514, 131634, 131847, 191271, 263694, 382542, 395541, 573813, 791082, 1147626, 4526747, 9053494, 13580241, 27160482, 40740723, 81481446]

約数ペア:

[(1, 81481446), (2, 40740723), (3, 27160482), (6, 13580241), (9, 9053494), (18, 4526747), (71, 1147626), (103, 791082), (142, 573813), (206, 395541), (213, 382542), (309, 263694), (426, 191271), (618, 131847), (619, 131634), (639, 127514), (927, 87898), (1238, 65817), (1278, 63757), (1854, 43949), (1857, 43878), (3714, 21939), (5571, 14626), (7313, 11142)]