173620719

素因数分解:

$3^3\times {\mathrm{131}}^1\times {\mathrm{191}}^1\times {\mathrm{257}}^1$

素因数の和:588

約数の個数: 32

約数和(自身を含む): 261550080

約数和(自身を除く): 87929361

約数列:

[1, 3, 9, 27, 131, 191, 257, 393, 573, 771, 1179, 1719, 2313, 3537, 5157, 6939, 25021, 33667, 49087, 75063, 101001, 147261, 225189, 303003, 441783, 675567, 909009, 1325349, 6430397, 19291191, 57873573, 173620719]

約数ペア:

[(1, 173620719), (3, 57873573), (9, 19291191), (27, 6430397), (131, 1325349), (191, 909009), (257, 675567), (393, 441783), (573, 303003), (771, 225189), (1179, 147261), (1719, 101001), (2313, 75063), (3537, 49087), (5157, 33667), (6939, 25021)]