31157325

素因数分解:

$3^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1489}}^1$

素因数の和:1539

約数の個数: 48

約数和(自身を含む): 59123200

約数和(自身を除く): 27965875

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 45, 75, 93, 135, 155, 225, 279, 465, 675, 775, 837, 1395, 1489, 2325, 4185, 4467, 6975, 7445, 13401, 20925, 22335, 37225, 40203, 46159, 67005, 111675, 138477, 201015, 230795, 335025, 415431, 692385, 1005075, 1153975, 1246293, 2077155, 3461925, 6231465, 10385775, 31157325]

約数ペア:

[(1, 31157325), (3, 10385775), (5, 6231465), (9, 3461925), (15, 2077155), (25, 1246293), (27, 1153975), (31, 1005075), (45, 692385), (75, 415431), (93, 335025), (135, 230795), (155, 201015), (225, 138477), (279, 111675), (465, 67005), (675, 46159), (775, 40203), (837, 37225), (1395, 22335), (1489, 20925), (2325, 13401), (4185, 7445), (4467, 6975)]