39742479

素因数分解:

$3^2\times 7^2\times {\mathrm{227}}^1\times {\mathrm{397}}^1$

素因数の和:644

約数の個数: 36

約数和(自身を含む): 67241304

約数和(自身を除く): 27498825

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 227, 397, 441, 681, 1191, 1589, 2043, 2779, 3573, 4767, 8337, 11123, 14301, 19453, 25011, 33369, 58359, 90119, 100107, 175077, 270357, 630833, 811071, 1892499, 4415831, 5677497, 13247493, 39742479]

約数ペア:

[(1, 39742479), (3, 13247493), (7, 5677497), (9, 4415831), (21, 1892499), (49, 811071), (63, 630833), (147, 270357), (227, 175077), (397, 100107), (441, 90119), (681, 58359), (1191, 33369), (1589, 25011), (2043, 19453), (2779, 14301), (3573, 11123), (4767, 8337)]