68971419

素因数分解:

$3^7\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:140

約数の個数: 64

約数和(自身を含む): 117135360

約数和(自身を除く): 48163941

約数列:

[1, 3, 9, 11, 27, 33, 47, 61, 81, 99, 141, 183, 243, 297, 423, 517, 549, 671, 729, 891, 1269, 1551, 1647, 2013, 2187, 2673, 2867, 3807, 4653, 4941, 6039, 8019, 8601, 11421, 13959, 14823, 18117, 24057, 25803, 31537, 34263, 41877, 44469, 54351, 77409, 94611, 102789, 125631, 133407, 163053, 232227, 283833, 376893, 489159, 696681, 851499, 1130679, 1467477, 2090043, 2554497, 6270129, 7663491, 22990473, 68971419]

約数ペア:

[(1, 68971419), (3, 22990473), (9, 7663491), (11, 6270129), (27, 2554497), (33, 2090043), (47, 1467477), (61, 1130679), (81, 851499), (99, 696681), (141, 489159), (183, 376893), (243, 283833), (297, 232227), (423, 163053), (517, 133407), (549, 125631), (671, 102789), (729, 94611), (891, 77409), (1269, 54351), (1551, 44469), (1647, 41877), (2013, 34263), (2187, 31537), (2673, 25803), (2867, 24057), (3807, 18117), (4653, 14823), (4941, 13959), (6039, 11421), (8019, 8601)]