61425

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{13}}^1$

素因数の和:39

約数の個数: 48

約数和(自身を含む): 138880

約数和(自身を除く): 77455

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 25, 27, 35, 39, 45, 63, 65, 75, 91, 105, 117, 135, 175, 189, 195, 225, 273, 315, 325, 351, 455, 525, 585, 675, 819, 945, 975, 1365, 1575, 1755, 2275, 2457, 2925, 4095, 4725, 6825, 8775, 12285, 20475, 61425]

約数ペア:

[(1, 61425), (3, 20475), (5, 12285), (7, 8775), (9, 6825), (13, 4725), (15, 4095), (21, 2925), (25, 2457), (27, 2275), (35, 1755), (39, 1575), (45, 1365), (63, 975), (65, 945), (75, 819), (91, 675), (105, 585), (117, 525), (135, 455), (175, 351), (189, 325), (195, 315), (225, 273)]