64810575

素因数分解:

$3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{4057}}^1$

素因数の和:4144

約数の個数: 36

約数和(自身を含む): 117746928

約数和(自身を除く): 52936353

約数列:

[1, 3, 5, 9, 15, 25, 45, 71, 75, 213, 225, 355, 639, 1065, 1775, 3195, 4057, 5325, 12171, 15975, 20285, 36513, 60855, 101425, 182565, 288047, 304275, 864141, 912825, 1440235, 2592423, 4320705, 7201175, 12962115, 21603525, 64810575]

約数ペア:

[(1, 64810575), (3, 21603525), (5, 12962115), (9, 7201175), (15, 4320705), (25, 2592423), (45, 1440235), (71, 912825), (75, 864141), (213, 304275), (225, 288047), (355, 182565), (639, 101425), (1065, 60855), (1775, 36513), (3195, 20285), (4057, 15975), (5325, 12171)]