81969075

素因数分解:

$3^2\times 5^2\times {\mathrm{101}}^1\times {\mathrm{3607}}^1$

素因数の和:3724

約数の個数: 36

約数和(自身を含む): 148310448

約数和(自身を除く): 66341373

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 101, 225, 303, 505, 909, 1515, 2525, 3607, 4545, 7575, 10821, 18035, 22725, 32463, 54105, 90175, 162315, 270525, 364307, 811575, 1092921, 1821535, 3278763, 5464605, 9107675, 16393815, 27323025, 81969075]

約数ペア:

[(1, 81969075), (3, 27323025), (5, 16393815), (9, 9107675), (15, 5464605), (25, 3278763), (45, 1821535), (75, 1092921), (101, 811575), (225, 364307), (303, 270525), (505, 162315), (909, 90175), (1515, 54105), (2525, 32463), (3607, 22725), (4545, 18035), (7575, 10821)]