2017208475

素因数分解:

$3^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{69499}}^1$

素因数の和:69561

約数の個数: 48

約数和(自身を含む): 3791920000

約数和(自身を除く): 1774711525

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 75, 129, 135, 215, 225, 387, 645, 675, 1075, 1161, 1935, 3225, 5805, 9675, 29025, 69499, 208497, 347495, 625491, 1042485, 1737475, 1876473, 2988457, 3127455, 5212425, 8965371, 9382365, 14942285, 15637275, 26896113, 44826855, 46911825, 74711425, 80688339, 134480565, 224134275, 403441695, 672402825, 2017208475]

約数ペア:

[(1, 2017208475), (3, 672402825), (5, 403441695), (9, 224134275), (15, 134480565), (25, 80688339), (27, 74711425), (43, 46911825), (45, 44826855), (75, 26896113), (129, 15637275), (135, 14942285), (215, 9382365), (225, 8965371), (387, 5212425), (645, 3127455), (675, 2988457), (1075, 1876473), (1161, 1737475), (1935, 1042485), (3225, 625491), (5805, 347495), (9675, 208497), (29025, 69499)]