71075313

素因数分解:

$3^9\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:207

約数の個数: 40

約数和(自身を含む): 111955008

約数和(自身を除く): 40879695

約数列:

[1, 3, 9, 23, 27, 69, 81, 157, 207, 243, 471, 621, 729, 1413, 1863, 2187, 3611, 4239, 5589, 6561, 10833, 12717, 16767, 19683, 32499, 38151, 50301, 97497, 114453, 150903, 292491, 343359, 452709, 877473, 1030077, 2632419, 3090231, 7897257, 23691771, 71075313]

約数ペア:

[(1, 71075313), (3, 23691771), (9, 7897257), (23, 3090231), (27, 2632419), (69, 1030077), (81, 877473), (157, 452709), (207, 343359), (243, 292491), (471, 150903), (621, 114453), (729, 97497), (1413, 50301), (1863, 38151), (2187, 32499), (3611, 19683), (4239, 16767), (5589, 12717), (6561, 10833)]