81231354

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{5303}}^1$

素因数の和:5371

約数の個数: 48

約数和(自身を含む): 188652672

約数和(自身を除く): 107421318

約数列:

[1, 2, 3, 6, 9, 18, 23, 37, 46, 69, 74, 111, 138, 207, 222, 333, 414, 666, 851, 1702, 2553, 5106, 5303, 7659, 10606, 15318, 15909, 31818, 47727, 95454, 121969, 196211, 243938, 365907, 392422, 588633, 731814, 1097721, 1177266, 1765899, 2195442, 3531798, 4512853, 9025706, 13538559, 27077118, 40615677, 81231354]

約数ペア:

[(1, 81231354), (2, 40615677), (3, 27077118), (6, 13538559), (9, 9025706), (18, 4512853), (23, 3531798), (37, 2195442), (46, 1765899), (69, 1177266), (74, 1097721), (111, 731814), (138, 588633), (207, 392422), (222, 365907), (333, 243938), (414, 196211), (666, 121969), (851, 95454), (1702, 47727), (2553, 31818), (5106, 15909), (5303, 15318), (7659, 10606)]