80733915

素因数分解:

$3^4\times 5^1\times {\mathrm{199343}}^1$

素因数の和:199360

約数の個数: 20

約数和(自身を含む): 144723744

約数和(自身を除く): 63989829

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 199343, 598029, 996715, 1794087, 2990145, 5382261, 8970435, 16146783, 26911305, 80733915]

約数ペア:

[(1, 80733915), (3, 26911305), (5, 16146783), (9, 8970435), (15, 5382261), (27, 2990145), (45, 1794087), (81, 996715), (135, 598029), (405, 199343)]