1520348739

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{32191}}^1$

素因数の和:32387

約数の個数: 32

約数和(自身を含む): 2509430784

約数和(自身を除く): 989082045

約数列:

[1, 3, 7, 13, 21, 39, 91, 173, 273, 519, 1211, 2249, 3633, 6747, 15743, 32191, 47229, 96573, 225337, 418483, 676011, 1255449, 2929381, 5569043, 8788143, 16707129, 38983301, 72397559, 116949903, 217192677, 506782913, 1520348739]

約数ペア:

[(1, 1520348739), (3, 506782913), (7, 217192677), (13, 116949903), (21, 72397559), (39, 38983301), (91, 16707129), (173, 8788143), (273, 5569043), (519, 2929381), (1211, 1255449), (2249, 676011), (3633, 418483), (6747, 225337), (15743, 96573), (32191, 47229)]