39981291

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:176

約数の個数: 48

約数和(自身を含む): 65829120

約数和(自身を除く): 25847829

約数列:

[1, 3, 7, 21, 23, 59, 61, 69, 161, 177, 183, 413, 427, 483, 529, 1239, 1281, 1357, 1403, 1587, 3599, 3703, 4071, 4209, 9499, 9821, 10797, 11109, 25193, 28497, 29463, 31211, 32269, 75579, 82777, 93633, 96807, 218477, 225883, 248331, 579439, 655431, 677649, 1738317, 1903871, 5711613, 13327097, 39981291]

約数ペア:

[(1, 39981291), (3, 13327097), (7, 5711613), (21, 1903871), (23, 1738317), (59, 677649), (61, 655431), (69, 579439), (161, 248331), (177, 225883), (183, 218477), (413, 96807), (427, 93633), (483, 82777), (529, 75579), (1239, 32269), (1281, 31211), (1357, 29463), (1403, 28497), (1587, 25193), (3599, 11109), (3703, 10797), (4071, 9821), (4209, 9499)]