165723165

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{17791}}^1$

素因数の和:17831

約数の個数: 40

約数和(自身を含む): 310007808

約数和(自身を除く): 144284643

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 345, 405, 621, 1035, 1863, 3105, 9315, 17791, 53373, 88955, 160119, 266865, 409193, 480357, 800595, 1227579, 1441071, 2045965, 2401785, 3682737, 6137895, 7205355, 11048211, 18413685, 33144633, 55241055, 165723165]

約数ペア:

[(1, 165723165), (3, 55241055), (5, 33144633), (9, 18413685), (15, 11048211), (23, 7205355), (27, 6137895), (45, 3682737), (69, 2401785), (81, 2045965), (115, 1441071), (135, 1227579), (207, 800595), (345, 480357), (405, 409193), (621, 266865), (1035, 160119), (1863, 88955), (3105, 53373), (9315, 17791)]