25005015

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{487}}^1$

素因数の和:668

約数の個数: 48

約数和(自身を含む): 49939968

約数和(自身を除く): 24934953

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 163, 315, 487, 489, 815, 1141, 1461, 1467, 2435, 2445, 3409, 3423, 4383, 5705, 7305, 7335, 10227, 10269, 17045, 17115, 21915, 30681, 51135, 51345, 79381, 153405, 238143, 396905, 555667, 714429, 1190715, 1667001, 2778335, 3572145, 5001003, 8335005, 25005015]

約数ペア:

[(1, 25005015), (3, 8335005), (5, 5001003), (7, 3572145), (9, 2778335), (15, 1667001), (21, 1190715), (35, 714429), (45, 555667), (63, 396905), (105, 238143), (163, 153405), (315, 79381), (487, 51345), (489, 51135), (815, 30681), (1141, 21915), (1461, 17115), (1467, 17045), (2435, 10269), (2445, 10227), (3409, 7335), (3423, 7305), (4383, 5705)]