397156965

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{4937}}^1$

素因数の和:5149

約数の個数: 32

約数和(自身を含む): 659874816

約数和(自身を除く): 262717851

約数列:

[1, 3, 5, 15, 31, 93, 155, 173, 465, 519, 865, 2595, 4937, 5363, 14811, 16089, 24685, 26815, 74055, 80445, 153047, 459141, 765235, 854101, 2295705, 2562303, 4270505, 12811515, 26477131, 79431393, 132385655, 397156965]

約数ペア:

[(1, 397156965), (3, 132385655), (5, 79431393), (15, 26477131), (31, 12811515), (93, 4270505), (155, 2562303), (173, 2295705), (465, 854101), (519, 765235), (865, 459141), (2595, 153047), (4937, 80445), (5363, 74055), (14811, 26815), (16089, 24685)]