201717747

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{7867}}^1$

素因数の和:7928

約数の個数: 48

約数和(自身を含む): 373132032

約数和(自身を除く): 171414285

約数列:

[1, 3, 7, 9, 11, 21, 33, 37, 63, 77, 99, 111, 231, 259, 333, 407, 693, 777, 1221, 2331, 2849, 3663, 7867, 8547, 23601, 25641, 55069, 70803, 86537, 165207, 259611, 291079, 495621, 605759, 778833, 873237, 1817277, 2037553, 2619711, 3201869, 5451831, 6112659, 9605607, 18337977, 22413083, 28816821, 67239249, 201717747]

約数ペア:

[(1, 201717747), (3, 67239249), (7, 28816821), (9, 22413083), (11, 18337977), (21, 9605607), (33, 6112659), (37, 5451831), (63, 3201869), (77, 2619711), (99, 2037553), (111, 1817277), (231, 873237), (259, 778833), (333, 605759), (407, 495621), (693, 291079), (777, 259611), (1221, 165207), (2331, 86537), (2849, 70803), (3663, 55069), (7867, 25641), (8547, 23601)]