189805785

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{3701}}^1$

素因数の和:3985

約数の個数: 32

約数和(自身を含む): 328382208

約数和(自身を除く): 138576423

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 263, 789, 1315, 3419, 3701, 3945, 10257, 11103, 17095, 18505, 48113, 51285, 55515, 144339, 240565, 721695, 973363, 2920089, 4866815, 12653719, 14600445, 37961157, 63268595, 189805785]

約数ペア:

[(1, 189805785), (3, 63268595), (5, 37961157), (13, 14600445), (15, 12653719), (39, 4866815), (65, 2920089), (195, 973363), (263, 721695), (789, 240565), (1315, 144339), (3419, 55515), (3701, 51285), (3945, 48113), (10257, 18505), (11103, 17095)]