28947975

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{7877}}^1$

素因数の和:7904

約数の個数: 36

約数和(自身を含む): 55681704

約数和(自身を除く): 26733729

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 147, 175, 245, 525, 735, 1225, 3675, 7877, 23631, 39385, 55139, 118155, 165417, 196925, 275695, 385973, 590775, 827085, 1157919, 1378475, 1929865, 4135425, 5789595, 9649325, 28947975]

約数ペア:

[(1, 28947975), (3, 9649325), (5, 5789595), (7, 4135425), (15, 1929865), (21, 1378475), (25, 1157919), (35, 827085), (49, 590775), (75, 385973), (105, 275695), (147, 196925), (175, 165417), (245, 118155), (525, 55139), (735, 39385), (1225, 23631), (3675, 7877)]