805315

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:211

約数の個数: 24

約数和(自身を含む): 1190160

約数和(自身を除く): 384845

約数列:

[1, 5, 7, 19, 35, 49, 95, 133, 173, 245, 665, 865, 931, 1211, 3287, 4655, 6055, 8477, 16435, 23009, 42385, 115045, 161063, 805315]

約数ペア:

[(1, 805315), (5, 161063), (7, 115045), (19, 42385), (35, 23009), (49, 16435), (95, 8477), (133, 6055), (173, 4655), (245, 3287), (665, 1211), (865, 931)]