64206465

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{1493}}^1$

素因数の和:1609

約数の個数: 32

約数和(自身を含む): 106707456

約数和(自身を除く): 42500991

約数列:

[1, 3, 5, 15, 47, 61, 141, 183, 235, 305, 705, 915, 1493, 2867, 4479, 7465, 8601, 14335, 22395, 43005, 70171, 91073, 210513, 273219, 350855, 455365, 1052565, 1366095, 4280431, 12841293, 21402155, 64206465]

約数ペア:

[(1, 64206465), (3, 21402155), (5, 12841293), (15, 4280431), (47, 1366095), (61, 1052565), (141, 455365), (183, 350855), (235, 273219), (305, 210513), (705, 91073), (915, 70171), (1493, 43005), (2867, 22395), (4479, 14335), (7465, 8601)]