81560445

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{683}}^1$

素因数の和:1129

約数の個数: 32

約数和(自身を含む): 137894400

約数和(自身を除く): 56333955

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 419, 683, 1257, 2049, 2095, 3415, 6285, 7961, 10245, 12977, 23883, 38931, 39805, 64885, 119415, 194655, 286177, 858531, 1430885, 4292655, 5437363, 16312089, 27186815, 81560445]

約数ペア:

[(1, 81560445), (3, 27186815), (5, 16312089), (15, 5437363), (19, 4292655), (57, 1430885), (95, 858531), (285, 286177), (419, 194655), (683, 119415), (1257, 64885), (2049, 39805), (2095, 38931), (3415, 23883), (6285, 12977), (7961, 10245)]