30918591

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 51891840

約数和(自身を除く): 20973249

約数列:

[1, 3, 9, 11, 27, 33, 43, 81, 99, 129, 243, 269, 297, 387, 473, 807, 891, 1161, 1419, 2421, 2673, 2959, 3483, 4257, 7263, 8877, 10449, 11567, 12771, 21789, 26631, 34701, 38313, 65367, 79893, 104103, 114939, 127237, 239679, 312309, 381711, 719037, 936927, 1145133, 2810781, 3435399, 10306197, 30918591]

約数ペア:

[(1, 30918591), (3, 10306197), (9, 3435399), (11, 2810781), (27, 1145133), (33, 936927), (43, 719037), (81, 381711), (99, 312309), (129, 239679), (243, 127237), (269, 114939), (297, 104103), (387, 79893), (473, 65367), (807, 38313), (891, 34701), (1161, 26631), (1419, 21789), (2421, 12771), (2673, 11567), (2959, 10449), (3483, 8877), (4257, 7263)]