31703427

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:189

約数の個数: 64

約数和(自身を含む): 56770560

約数和(自身を除く): 25067133

約数列:

[1, 3, 7, 9, 21, 27, 43, 47, 63, 83, 129, 141, 189, 249, 301, 329, 387, 423, 581, 747, 903, 987, 1161, 1269, 1743, 2021, 2241, 2709, 2961, 3569, 3901, 5229, 6063, 8127, 8883, 10707, 11703, 14147, 15687, 18189, 24983, 27307, 32121, 35109, 42441, 54567, 74949, 81921, 96363, 105327, 127323, 167743, 224847, 245763, 381969, 503229, 674541, 737289, 1174201, 1509687, 3522603, 4529061, 10567809, 31703427]

約数ペア:

[(1, 31703427), (3, 10567809), (7, 4529061), (9, 3522603), (21, 1509687), (27, 1174201), (43, 737289), (47, 674541), (63, 503229), (83, 381969), (129, 245763), (141, 224847), (189, 167743), (249, 127323), (301, 105327), (329, 96363), (387, 81921), (423, 74949), (581, 54567), (747, 42441), (903, 35109), (987, 32121), (1161, 27307), (1269, 24983), (1743, 18189), (2021, 15687), (2241, 14147), (2709, 11703), (2961, 10707), (3569, 8883), (3901, 8127), (5229, 6063)]