65005245

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{347}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 118564992

約数和(自身を除く): 53559747

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 181, 207, 345, 347, 543, 905, 1035, 1041, 1629, 1735, 2715, 3123, 4163, 5205, 7981, 8145, 12489, 15615, 20815, 23943, 37467, 39905, 62445, 62807, 71829, 119715, 187335, 188421, 314035, 359145, 565263, 942105, 1444561, 2826315, 4333683, 7222805, 13001049, 21668415, 65005245]

約数ペア:

[(1, 65005245), (3, 21668415), (5, 13001049), (9, 7222805), (15, 4333683), (23, 2826315), (45, 1444561), (69, 942105), (115, 565263), (181, 359145), (207, 314035), (345, 188421), (347, 187335), (543, 119715), (905, 71829), (1035, 62807), (1041, 62445), (1629, 39905), (1735, 37467), (2715, 23943), (3123, 20815), (4163, 15615), (5205, 12489), (7981, 8145)]