385156989

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^2$

素因数の和:219

約数の個数: 72

約数和(自身を含む): 679850496

約数和(自身を除く): 294693507

約数列:

[1, 3, 7, 9, 21, 31, 53, 61, 63, 93, 159, 183, 217, 279, 371, 427, 477, 549, 651, 1113, 1281, 1643, 1891, 1953, 3233, 3339, 3721, 3843, 4929, 5673, 9699, 11163, 11501, 13237, 14787, 17019, 22631, 26047, 29097, 33489, 34503, 39711, 67893, 78141, 100223, 103509, 115351, 119133, 197213, 203679, 234423, 300669, 346053, 591639, 701561, 807457, 902007, 1038159, 1380491, 1774917, 2104683, 2422371, 4141473, 6113603, 6314049, 7267113, 12424419, 18340809, 42795221, 55022427, 128385663, 385156989]

約数ペア:

[(1, 385156989), (3, 128385663), (7, 55022427), (9, 42795221), (21, 18340809), (31, 12424419), (53, 7267113), (61, 6314049), (63, 6113603), (93, 4141473), (159, 2422371), (183, 2104683), (217, 1774917), (279, 1380491), (371, 1038159), (427, 902007), (477, 807457), (549, 701561), (651, 591639), (1113, 346053), (1281, 300669), (1643, 234423), (1891, 203679), (1953, 197213), (3233, 119133), (3339, 115351), (3721, 103509), (3843, 100223), (4929, 78141), (5673, 67893), (9699, 39711), (11163, 34503), (11501, 33489), (13237, 29097), (14787, 26047), (17019, 22631)]