3947490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1907}}^1$

素因数の和:1943

約数の個数: 48

約数和(自身を含む): 10715328

約数和(自身を除く): 6767838

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 1907, 2070, 3814, 5721, 9535, 11442, 17163, 19070, 28605, 34326, 43861, 57210, 85815, 87722, 131583, 171630, 219305, 263166, 394749, 438610, 657915, 789498, 1315830, 1973745, 3947490]

約数ペア:

[(1, 3947490), (2, 1973745), (3, 1315830), (5, 789498), (6, 657915), (9, 438610), (10, 394749), (15, 263166), (18, 219305), (23, 171630), (30, 131583), (45, 87722), (46, 85815), (69, 57210), (90, 43861), (115, 34326), (138, 28605), (207, 19070), (230, 17163), (345, 11442), (414, 9535), (690, 5721), (1035, 3814), (1907, 2070)]