1988805

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:106

約数の個数: 64

約数和(自身を含む): 4128768

約数和(自身を除く): 2139963

約数列:

[1, 3, 5, 7, 13, 15, 21, 31, 35, 39, 47, 65, 91, 93, 105, 141, 155, 195, 217, 235, 273, 329, 403, 455, 465, 611, 651, 705, 987, 1085, 1209, 1365, 1457, 1645, 1833, 2015, 2821, 3055, 3255, 4277, 4371, 4935, 6045, 7285, 8463, 9165, 10199, 12831, 14105, 18941, 21385, 21855, 30597, 42315, 50995, 56823, 64155, 94705, 132587, 152985, 284115, 397761, 662935, 1988805]

約数ペア:

[(1, 1988805), (3, 662935), (5, 397761), (7, 284115), (13, 152985), (15, 132587), (21, 94705), (31, 64155), (35, 56823), (39, 50995), (47, 42315), (65, 30597), (91, 21855), (93, 21385), (105, 18941), (141, 14105), (155, 12831), (195, 10199), (217, 9165), (235, 8463), (273, 7285), (329, 6045), (403, 4935), (455, 4371), (465, 4277), (611, 3255), (651, 3055), (705, 2821), (987, 2015), (1085, 1833), (1209, 1645), (1365, 1457)]