38873775

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 67808160

約数和(自身を除く): 28934385

約数列:

[1, 3, 5, 15, 25, 29, 61, 75, 87, 145, 183, 293, 305, 435, 725, 879, 915, 1465, 1525, 1769, 2175, 4395, 4575, 5307, 7325, 8497, 8845, 17873, 21975, 25491, 26535, 42485, 44225, 53619, 89365, 127455, 132675, 212425, 268095, 446825, 518317, 637275, 1340475, 1554951, 2591585, 7774755, 12957925, 38873775]

約数ペア:

[(1, 38873775), (3, 12957925), (5, 7774755), (15, 2591585), (25, 1554951), (29, 1340475), (61, 637275), (75, 518317), (87, 446825), (145, 268095), (183, 212425), (293, 132675), (305, 127455), (435, 89365), (725, 53619), (879, 44225), (915, 42485), (1465, 26535), (1525, 25491), (1769, 21975), (2175, 17873), (4395, 8845), (4575, 8497), (5307, 7325)]