208202325

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{881}}^1$

素因数の和:1054

約数の個数: 48

約数和(自身を含む): 362226816

約数和(自身を除く): 154024491

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 137, 345, 411, 575, 685, 881, 1725, 2055, 2643, 3151, 3425, 4405, 9453, 10275, 13215, 15755, 20263, 22025, 47265, 60789, 66075, 78775, 101315, 120697, 236325, 303945, 362091, 506575, 603485, 1519725, 1810455, 2776031, 3017425, 8328093, 9052275, 13880155, 41640465, 69400775, 208202325]

約数ペア:

[(1, 208202325), (3, 69400775), (5, 41640465), (15, 13880155), (23, 9052275), (25, 8328093), (69, 3017425), (75, 2776031), (115, 1810455), (137, 1519725), (345, 603485), (411, 506575), (575, 362091), (685, 303945), (881, 236325), (1725, 120697), (2055, 101315), (2643, 78775), (3151, 66075), (3425, 60789), (4405, 47265), (9453, 22025), (10275, 20263), (13215, 15755)]