155125557

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{4259}}^1$

素因数の和:4358

約数の個数: 32

約数和(自身を含む): 245376000

約数和(自身を除く): 90250443

約数列:

[1, 3, 9, 19, 27, 57, 71, 171, 213, 513, 639, 1349, 1917, 4047, 4259, 12141, 12777, 36423, 38331, 80921, 114993, 242763, 302389, 728289, 907167, 2184867, 2721501, 5745391, 8164503, 17236173, 51708519, 155125557]

約数ペア:

[(1, 155125557), (3, 51708519), (9, 17236173), (19, 8164503), (27, 5745391), (57, 2721501), (71, 2184867), (171, 907167), (213, 728289), (513, 302389), (639, 242763), (1349, 114993), (1917, 80921), (4047, 38331), (4259, 36423), (12141, 12777)]