25471425

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{239}}^1$

素因数の和:295

約数の個数: 72

約数和(自身を含む): 50889600

約数和(自身を除く): 25418175

約数列:

[1, 3, 5, 7, 15, 21, 25, 29, 35, 49, 75, 87, 105, 145, 147, 175, 203, 239, 245, 435, 525, 609, 717, 725, 735, 1015, 1195, 1225, 1421, 1673, 2175, 3045, 3585, 3675, 4263, 5019, 5075, 5975, 6931, 7105, 8365, 11711, 15225, 17925, 20793, 21315, 25095, 34655, 35133, 35525, 41825, 48517, 58555, 103965, 106575, 125475, 145551, 173275, 175665, 242585, 292775, 339619, 519825, 727755, 878325, 1018857, 1212925, 1698095, 3638775, 5094285, 8490475, 25471425]

約数ペア:

[(1, 25471425), (3, 8490475), (5, 5094285), (7, 3638775), (15, 1698095), (21, 1212925), (25, 1018857), (29, 878325), (35, 727755), (49, 519825), (75, 339619), (87, 292775), (105, 242585), (145, 175665), (147, 173275), (175, 145551), (203, 125475), (239, 106575), (245, 103965), (435, 58555), (525, 48517), (609, 41825), (717, 35525), (725, 35133), (735, 34655), (1015, 25095), (1195, 21315), (1225, 20793), (1421, 17925), (1673, 15225), (2175, 11711), (3045, 8365), (3585, 7105), (3675, 6931), (4263, 5975), (5019, 5075)]