219961365

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{4289}}^1$

素因数の和:4573

約数の個数: 32

約数和(自身を含む): 380540160

約数和(自身を除く): 160578795

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 263, 789, 1315, 3419, 3945, 4289, 10257, 12867, 17095, 21445, 51285, 55757, 64335, 167271, 278785, 836355, 1128007, 3384021, 5640035, 14664091, 16920105, 43992273, 73320455, 219961365]

約数ペア:

[(1, 219961365), (3, 73320455), (5, 43992273), (13, 16920105), (15, 14664091), (39, 5640035), (65, 3384021), (195, 1128007), (263, 836355), (789, 278785), (1315, 167271), (3419, 64335), (3945, 55757), (4289, 51285), (10257, 21445), (12867, 17095)]