71321715

素因数分解:

$3^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1151}}^1$

素因数の和:1191

約数の個数: 56

約数和(自身を含む): 135986688

約数和(自身を除く): 64664973

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 243, 255, 405, 459, 729, 765, 1151, 1215, 1377, 2295, 3453, 3645, 4131, 5755, 6885, 10359, 12393, 17265, 19567, 20655, 31077, 51795, 58701, 61965, 93231, 97835, 155385, 176103, 279693, 293505, 466155, 528309, 839079, 880515, 1398465, 1584927, 2641545, 4195395, 4754781, 7924635, 14264343, 23773905, 71321715]

約数ペア:

[(1, 71321715), (3, 23773905), (5, 14264343), (9, 7924635), (15, 4754781), (17, 4195395), (27, 2641545), (45, 1584927), (51, 1398465), (81, 880515), (85, 839079), (135, 528309), (153, 466155), (243, 293505), (255, 279693), (405, 176103), (459, 155385), (729, 97835), (765, 93231), (1151, 61965), (1215, 58701), (1377, 51795), (2295, 31077), (3453, 20655), (3645, 19567), (4131, 17265), (5755, 12393), (6885, 10359)]