245442015

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19979}}^1$

素因数の和:20013

約数の個数: 64

約数和(自身を含む): 537062400

約数和(自身を除く): 291620385

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 45, 63, 65, 91, 105, 117, 135, 189, 195, 273, 315, 351, 455, 585, 819, 945, 1365, 1755, 2457, 4095, 12285, 19979, 59937, 99895, 139853, 179811, 259727, 299685, 419559, 539433, 699265, 779181, 899055, 1258677, 1298635, 1818089, 2097795, 2337543, 2697165, 3776031, 3895905, 5454267, 6293385, 7012629, 9090445, 11687715, 16362801, 18880155, 27271335, 35063145, 49088403, 81814005, 245442015]

約数ペア:

[(1, 245442015), (3, 81814005), (5, 49088403), (7, 35063145), (9, 27271335), (13, 18880155), (15, 16362801), (21, 11687715), (27, 9090445), (35, 7012629), (39, 6293385), (45, 5454267), (63, 3895905), (65, 3776031), (91, 2697165), (105, 2337543), (117, 2097795), (135, 1818089), (189, 1298635), (195, 1258677), (273, 899055), (315, 779181), (351, 699265), (455, 539433), (585, 419559), (819, 299685), (945, 259727), (1365, 179811), (1755, 139853), (2457, 99895), (4095, 59937), (12285, 19979)]