216221265

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{123203}}^1$

素因数の和:123230

約数の個数: 32

約数和(自身を含む): 413965440

約数和(自身を除く): 197744175

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 123203, 369609, 616015, 1108827, 1601639, 1848045, 3326481, 4804917, 5544135, 8008195, 14414751, 16632405, 24024585, 43244253, 72073755, 216221265]

約数ペア:

[(1, 216221265), (3, 72073755), (5, 43244253), (9, 24024585), (13, 16632405), (15, 14414751), (27, 8008195), (39, 5544135), (45, 4804917), (65, 3326481), (117, 1848045), (135, 1601639), (195, 1108827), (351, 616015), (585, 369609), (1755, 123203)]