245822715

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{389}}^1$

素因数の和:585

約数の個数: 64

約数和(自身を含む): 455270400

約数和(自身を除く): 209447685

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 151, 155, 279, 389, 453, 465, 755, 837, 1167, 1359, 1395, 1945, 2265, 3501, 4077, 4185, 4681, 5835, 6795, 10503, 12059, 14043, 17505, 20385, 23405, 36177, 42129, 52515, 58739, 60295, 70215, 108531, 126387, 176217, 180885, 210645, 293695, 325593, 528651, 542655, 631935, 881085, 1585953, 1627965, 1820909, 2643255, 5462727, 7929765, 9104545, 16388181, 27313635, 49164543, 81940905, 245822715]

約数ペア:

[(1, 245822715), (3, 81940905), (5, 49164543), (9, 27313635), (15, 16388181), (27, 9104545), (31, 7929765), (45, 5462727), (93, 2643255), (135, 1820909), (151, 1627965), (155, 1585953), (279, 881085), (389, 631935), (453, 542655), (465, 528651), (755, 325593), (837, 293695), (1167, 210645), (1359, 180885), (1395, 176217), (1945, 126387), (2265, 108531), (3501, 70215), (4077, 60295), (4185, 58739), (4681, 52515), (5835, 42129), (6795, 36177), (10503, 23405), (12059, 20385), (14043, 17505)]