16256565

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:243

約数の個数: 64

約数和(自身を含む): 31852800

約数和(自身を除く): 15596235

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 59, 65, 117, 135, 157, 177, 195, 295, 351, 471, 531, 585, 767, 785, 885, 1413, 1593, 1755, 2041, 2301, 2355, 2655, 3835, 4239, 6123, 6903, 7065, 7965, 9263, 10205, 11505, 18369, 20709, 21195, 27789, 30615, 34515, 46315, 55107, 83367, 91845, 103545, 120419, 138945, 250101, 275535, 361257, 416835, 602095, 1083771, 1250505, 1806285, 3251313, 5418855, 16256565]

約数ペア:

[(1, 16256565), (3, 5418855), (5, 3251313), (9, 1806285), (13, 1250505), (15, 1083771), (27, 602095), (39, 416835), (45, 361257), (59, 275535), (65, 250101), (117, 138945), (135, 120419), (157, 103545), (177, 91845), (195, 83367), (295, 55107), (351, 46315), (471, 34515), (531, 30615), (585, 27789), (767, 21195), (785, 20709), (885, 18369), (1413, 11505), (1593, 10205), (1755, 9263), (2041, 7965), (2301, 7065), (2355, 6903), (2655, 6123), (3835, 4239)]