220608003

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{23293}}^1$

素因数の和:23355

約数の個数: 32

約数和(自身を含む): 375685632

約数和(自身を除く): 155077629

約数列:

[1, 3, 7, 11, 21, 33, 41, 77, 123, 231, 287, 451, 861, 1353, 3157, 9471, 23293, 69879, 163051, 256223, 489153, 768669, 955013, 1793561, 2865039, 5380683, 6685091, 10505143, 20055273, 31515429, 73536001, 220608003]

約数ペア:

[(1, 220608003), (3, 73536001), (7, 31515429), (11, 20055273), (21, 10505143), (33, 6685091), (41, 5380683), (77, 2865039), (123, 1793561), (231, 955013), (287, 768669), (451, 489153), (861, 256223), (1353, 163051), (3157, 69879), (9471, 23293)]