12970425

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 23623488

約数和(自身を除く): 10653063

約数列:

[1, 3, 5, 13, 15, 25, 39, 53, 65, 75, 159, 195, 251, 265, 325, 689, 753, 795, 975, 1255, 1325, 2067, 3263, 3445, 3765, 3975, 6275, 9789, 10335, 13303, 16315, 17225, 18825, 39909, 48945, 51675, 66515, 81575, 172939, 199545, 244725, 332575, 518817, 864695, 997725, 2594085, 4323475, 12970425]

約数ペア:

[(1, 12970425), (3, 4323475), (5, 2594085), (13, 997725), (15, 864695), (25, 518817), (39, 332575), (53, 244725), (65, 199545), (75, 172939), (159, 81575), (195, 66515), (251, 51675), (265, 48945), (325, 39909), (689, 18825), (753, 17225), (795, 16315), (975, 13303), (1255, 10335), (1325, 9789), (2067, 6275), (3263, 3975), (3445, 3765)]