25289397

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{563}}^1$

素因数の和:630

約数の個数: 48

約数和(自身を含む): 45047808

約数和(自身を除く): 19758411

約数列:

[1, 3, 7, 9, 21, 23, 31, 63, 69, 93, 161, 207, 217, 279, 483, 563, 651, 713, 1449, 1689, 1953, 2139, 3941, 4991, 5067, 6417, 11823, 12949, 14973, 17453, 35469, 38847, 44919, 52359, 90643, 116541, 122171, 157077, 271929, 366513, 401419, 815787, 1099539, 1204257, 2809933, 3612771, 8429799, 25289397]

約数ペア:

[(1, 25289397), (3, 8429799), (7, 3612771), (9, 2809933), (21, 1204257), (23, 1099539), (31, 815787), (63, 401419), (69, 366513), (93, 271929), (161, 157077), (207, 122171), (217, 116541), (279, 90643), (483, 52359), (563, 44919), (651, 38847), (713, 35469), (1449, 17453), (1689, 14973), (1953, 12949), (2139, 11823), (3941, 6417), (4991, 5067)]