18272385

素因数分解:

$3^8\times 5^1\times {\mathrm{557}}^1$

素因数の和:586

約数の個数: 36

約数和(自身を含む): 32947668

約数和(自身を除く): 14675283

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 557, 729, 1215, 1671, 2187, 2785, 3645, 5013, 6561, 8355, 10935, 15039, 25065, 32805, 45117, 75195, 135351, 225585, 406053, 676755, 1218159, 2030265, 3654477, 6090795, 18272385]

約数ペア:

[(1, 18272385), (3, 6090795), (5, 3654477), (9, 2030265), (15, 1218159), (27, 676755), (45, 406053), (81, 225585), (135, 135351), (243, 75195), (405, 45117), (557, 32805), (729, 25065), (1215, 15039), (1671, 10935), (2187, 8355), (2785, 6561), (3645, 5013)]