78547725

素因数分解:

$3^4\times 5^2\times {\mathrm{79}}^1\times {\mathrm{491}}^1$

素因数の和:592

約数の個数: 60

約数和(自身を含む): 147639360

約数和(自身を除く): 69091635

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 79, 81, 135, 225, 237, 395, 405, 491, 675, 711, 1185, 1473, 1975, 2025, 2133, 2455, 3555, 4419, 5925, 6399, 7365, 10665, 12275, 13257, 17775, 22095, 31995, 36825, 38789, 39771, 53325, 66285, 110475, 116367, 159975, 193945, 198855, 331425, 349101, 581835, 969725, 994275, 1047303, 1745505, 2909175, 3141909, 5236515, 8727525, 15709545, 26182575, 78547725]

約数ペア:

[(1, 78547725), (3, 26182575), (5, 15709545), (9, 8727525), (15, 5236515), (25, 3141909), (27, 2909175), (45, 1745505), (75, 1047303), (79, 994275), (81, 969725), (135, 581835), (225, 349101), (237, 331425), (395, 198855), (405, 193945), (491, 159975), (675, 116367), (711, 110475), (1185, 66285), (1473, 53325), (1975, 39771), (2025, 38789), (2133, 36825), (2455, 31995), (3555, 22095), (4419, 17775), (5925, 13257), (6399, 12275), (7365, 10665)]