218157315

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{3917}}^1$

素因数の和:4051

約数の個数: 32

約数和(自身を含む): 361082880

約数和(自身を除く): 142925565

約数列:

[1, 3, 5, 15, 47, 79, 141, 235, 237, 395, 705, 1185, 3713, 3917, 11139, 11751, 18565, 19585, 55695, 58755, 184099, 309443, 552297, 920495, 928329, 1547215, 2761485, 4641645, 14543821, 43631463, 72719105, 218157315]

約数ペア:

[(1, 218157315), (3, 72719105), (5, 43631463), (15, 14543821), (47, 4641645), (79, 2761485), (141, 1547215), (235, 928329), (237, 920495), (395, 552297), (705, 309443), (1185, 184099), (3713, 58755), (3917, 55695), (11139, 19585), (11751, 18565)]