71721495

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{54959}}^1$

素因数の和:54999

約数の個数: 24

約数和(自身を含む): 128606400

約数和(自身を除く): 56884905

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 54959, 164877, 274795, 494631, 824385, 1593811, 2473155, 4781433, 7969055, 14344299, 23907165, 71721495]

約数ペア:

[(1, 71721495), (3, 23907165), (5, 14344299), (9, 7969055), (15, 4781433), (29, 2473155), (45, 1593811), (87, 824385), (145, 494631), (261, 274795), (435, 164877), (1305, 54959)]