121129425

素因数分解:

$3^5\times 5^2\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:309

約数の個数: 72

約数和(自身を含む): 228207616

約数和(自身を除く): 107078191

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 127, 135, 157, 225, 243, 381, 405, 471, 635, 675, 785, 1143, 1215, 1413, 1905, 2025, 2355, 3175, 3429, 3925, 4239, 5715, 6075, 7065, 9525, 10287, 11775, 12717, 17145, 19939, 21195, 28575, 30861, 35325, 38151, 51435, 59817, 63585, 85725, 99695, 105975, 154305, 179451, 190755, 257175, 299085, 317925, 498475, 538353, 771525, 897255, 953775, 1495425, 1615059, 2691765, 4486275, 4845177, 8075295, 13458825, 24225885, 40376475, 121129425]

約数ペア:

[(1, 121129425), (3, 40376475), (5, 24225885), (9, 13458825), (15, 8075295), (25, 4845177), (27, 4486275), (45, 2691765), (75, 1615059), (81, 1495425), (127, 953775), (135, 897255), (157, 771525), (225, 538353), (243, 498475), (381, 317925), (405, 299085), (471, 257175), (635, 190755), (675, 179451), (785, 154305), (1143, 105975), (1215, 99695), (1413, 85725), (1905, 63585), (2025, 59817), (2355, 51435), (3175, 38151), (3429, 35325), (3925, 30861), (4239, 28575), (5715, 21195), (6075, 19939), (7065, 17145), (9525, 12717), (10287, 11775)]