74281425

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{743}}^1$

素因数の和:830

約数の個数: 48

約数和(自身を含む): 129896448

約数和(自身を除く): 55615023

約数列:

[1, 3, 5, 15, 25, 31, 43, 75, 93, 129, 155, 215, 465, 645, 743, 775, 1075, 1333, 2229, 2325, 3225, 3715, 3999, 6665, 11145, 18575, 19995, 23033, 31949, 33325, 55725, 69099, 95847, 99975, 115165, 159745, 345495, 479235, 575825, 798725, 990419, 1727475, 2396175, 2971257, 4952095, 14856285, 24760475, 74281425]

約数ペア:

[(1, 74281425), (3, 24760475), (5, 14856285), (15, 4952095), (25, 2971257), (31, 2396175), (43, 1727475), (75, 990419), (93, 798725), (129, 575825), (155, 479235), (215, 345495), (465, 159745), (645, 115165), (743, 99975), (775, 95847), (1075, 69099), (1333, 55725), (2229, 33325), (2325, 31949), (3225, 23033), (3715, 19995), (3999, 18575), (6665, 11145)]