79217859

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{251}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 130999680

約数和(自身を除く): 51781821

約数列:

[1, 3, 7, 19, 21, 49, 57, 113, 133, 147, 251, 339, 399, 753, 791, 931, 1757, 2147, 2373, 2793, 4769, 5271, 5537, 6441, 12299, 14307, 15029, 16611, 28363, 33383, 36897, 45087, 85089, 100149, 105203, 198541, 233681, 315609, 538897, 595623, 701043, 1389787, 1616691, 3772279, 4169361, 11316837, 26405953, 79217859]

約数ペア:

[(1, 79217859), (3, 26405953), (7, 11316837), (19, 4169361), (21, 3772279), (49, 1616691), (57, 1389787), (113, 701043), (133, 595623), (147, 538897), (251, 315609), (339, 233681), (399, 198541), (753, 105203), (791, 100149), (931, 85089), (1757, 45087), (2147, 36897), (2373, 33383), (2793, 28363), (4769, 16611), (5271, 15029), (5537, 14307), (6441, 12299)]