820951725

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{1483}}^1$

素因数の和:1579

約数の個数: 72

約数和(自身を含む): 1517395936

約数和(自身を除く): 696444211

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 61, 75, 121, 165, 183, 275, 305, 363, 605, 671, 825, 915, 1483, 1525, 1815, 2013, 3025, 3355, 4449, 4575, 7381, 7415, 9075, 10065, 16313, 16775, 22143, 22245, 36905, 37075, 48939, 50325, 81565, 90463, 110715, 111225, 179443, 184525, 244695, 271389, 407825, 452315, 538329, 553575, 897215, 995093, 1223475, 1356945, 2261575, 2691645, 2985279, 4486075, 4975465, 6784725, 10946023, 13458225, 14926395, 24877325, 32838069, 54730115, 74631975, 164190345, 273650575, 820951725]

約数ペア:

[(1, 820951725), (3, 273650575), (5, 164190345), (11, 74631975), (15, 54730115), (25, 32838069), (33, 24877325), (55, 14926395), (61, 13458225), (75, 10946023), (121, 6784725), (165, 4975465), (183, 4486075), (275, 2985279), (305, 2691645), (363, 2261575), (605, 1356945), (671, 1223475), (825, 995093), (915, 897215), (1483, 553575), (1525, 538329), (1815, 452315), (2013, 407825), (3025, 271389), (3355, 244695), (4449, 184525), (4575, 179443), (7381, 111225), (7415, 110715), (9075, 90463), (10065, 81565), (16313, 50325), (16775, 48939), (22143, 37075), (22245, 36905)]