64457175

素因数分解:

$3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 110368928

約数和(自身を除く): 45911753

約数列:

[1, 3, 5, 15, 25, 61, 73, 75, 183, 193, 219, 305, 365, 579, 915, 965, 1095, 1525, 1825, 2895, 4453, 4575, 4825, 5475, 11773, 13359, 14089, 14475, 22265, 35319, 42267, 58865, 66795, 70445, 111325, 176595, 211335, 294325, 333975, 352225, 859429, 882975, 1056675, 2578287, 4297145, 12891435, 21485725, 64457175]

約数ペア:

[(1, 64457175), (3, 21485725), (5, 12891435), (15, 4297145), (25, 2578287), (61, 1056675), (73, 882975), (75, 859429), (183, 352225), (193, 333975), (219, 294325), (305, 211335), (365, 176595), (579, 111325), (915, 70445), (965, 66795), (1095, 58865), (1525, 42267), (1825, 35319), (2895, 22265), (4453, 14475), (4575, 14089), (4825, 13359), (5475, 11773)]