81924525

素因数分解:

$3^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:251

約数の個数: 72

約数和(自身を含む): 153513984

約数和(自身を除く): 71589459

約数列:

[1, 3, 5, 9, 15, 25, 45, 47, 61, 75, 127, 141, 183, 225, 235, 305, 381, 423, 549, 635, 705, 915, 1143, 1175, 1525, 1905, 2115, 2745, 2867, 3175, 3525, 4575, 5715, 5969, 7747, 8601, 9525, 10575, 13725, 14335, 17907, 23241, 25803, 28575, 29845, 38735, 43005, 53721, 69723, 71675, 89535, 116205, 129015, 149225, 193675, 215025, 268605, 348615, 364109, 447675, 581025, 645075, 1092327, 1343025, 1743075, 1820545, 3276981, 5461635, 9102725, 16384905, 27308175, 81924525]

約数ペア:

[(1, 81924525), (3, 27308175), (5, 16384905), (9, 9102725), (15, 5461635), (25, 3276981), (45, 1820545), (47, 1743075), (61, 1343025), (75, 1092327), (127, 645075), (141, 581025), (183, 447675), (225, 364109), (235, 348615), (305, 268605), (381, 215025), (423, 193675), (549, 149225), (635, 129015), (705, 116205), (915, 89535), (1143, 71675), (1175, 69723), (1525, 53721), (1905, 43005), (2115, 38735), (2745, 29845), (2867, 28575), (3175, 25803), (3525, 23241), (4575, 17907), (5715, 14335), (5969, 13725), (7747, 10575), (8601, 9525)]