389982135

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{857}}^1\times {\mathrm{1319}}^1$

素因数の和:2207

約数の個数: 32

約数和(自身を含む): 652354560

約数和(自身を除く): 262372425

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 857, 1319, 2571, 3957, 4285, 6595, 12855, 19711, 19785, 30337, 59133, 91011, 98555, 151685, 295665, 455055, 1130383, 3391149, 5651915, 16955745, 25998809, 77996427, 129994045, 389982135]

約数ペア:

[(1, 389982135), (3, 129994045), (5, 77996427), (15, 25998809), (23, 16955745), (69, 5651915), (115, 3391149), (345, 1130383), (857, 455055), (1319, 295665), (2571, 151685), (3957, 98555), (4285, 91011), (6595, 59133), (12855, 30337), (19711, 19785)]