78613821

素因数分解:

$3^4\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{617}}^1$

素因数の和:664

約数の個数: 60

約数和(自身を含む): 139236636

約数和(自身を除く): 60622815

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 81, 99, 117, 121, 143, 297, 351, 363, 429, 617, 891, 1053, 1089, 1287, 1573, 1851, 3267, 3861, 4719, 5553, 6787, 8021, 9801, 11583, 14157, 16659, 20361, 24063, 42471, 49977, 61083, 72189, 74657, 88231, 127413, 183249, 216567, 223971, 264693, 549747, 649701, 671913, 794079, 970541, 2015739, 2382237, 2911623, 6047217, 7146711, 8734869, 26204607, 78613821]

約数ペア:

[(1, 78613821), (3, 26204607), (9, 8734869), (11, 7146711), (13, 6047217), (27, 2911623), (33, 2382237), (39, 2015739), (81, 970541), (99, 794079), (117, 671913), (121, 649701), (143, 549747), (297, 264693), (351, 223971), (363, 216567), (429, 183249), (617, 127413), (891, 88231), (1053, 74657), (1089, 72189), (1287, 61083), (1573, 49977), (1851, 42471), (3267, 24063), (3861, 20361), (4719, 16659), (5553, 14157), (6787, 11583), (8021, 9801)]