66728175

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{383}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 116563968

約数和(自身を除く): 49835793

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 101, 115, 303, 345, 383, 505, 575, 1149, 1515, 1725, 1915, 2323, 2525, 5745, 6969, 7575, 8809, 9575, 11615, 26427, 28725, 34845, 38683, 44045, 58075, 116049, 132135, 174225, 193415, 220225, 580245, 660675, 889709, 967075, 2669127, 2901225, 4448545, 13345635, 22242725, 66728175]

約数ペア:

[(1, 66728175), (3, 22242725), (5, 13345635), (15, 4448545), (23, 2901225), (25, 2669127), (69, 967075), (75, 889709), (101, 660675), (115, 580245), (303, 220225), (345, 193415), (383, 174225), (505, 132135), (575, 116049), (1149, 58075), (1515, 44045), (1725, 38683), (1915, 34845), (2323, 28725), (2525, 26427), (5745, 11615), (6969, 9575), (7575, 8809)]