64427145

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1\times {\mathrm{397}}^1$

素因数の和:785

約数の個数: 32

約数和(自身を含む): 106982400

約数和(自身を除く): 42555255

約数列:

[1, 3, 5, 15, 31, 93, 155, 349, 397, 465, 1047, 1191, 1745, 1985, 5235, 5955, 10819, 12307, 32457, 36921, 54095, 61535, 138553, 162285, 184605, 415659, 692765, 2078295, 4295143, 12885429, 21475715, 64427145]

約数ペア:

[(1, 64427145), (3, 21475715), (5, 12885429), (15, 4295143), (31, 2078295), (93, 692765), (155, 415659), (349, 184605), (397, 162285), (465, 138553), (1047, 61535), (1191, 54095), (1745, 36921), (1985, 32457), (5235, 12307), (5955, 10819)]