27616225

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 43052800

約数和(自身を除く): 15436575

約数列:

[1, 5, 7, 13, 25, 35, 61, 65, 91, 175, 199, 305, 325, 427, 455, 793, 995, 1393, 1525, 2135, 2275, 2587, 3965, 4975, 5551, 6965, 10675, 12139, 12935, 18109, 19825, 27755, 34825, 60695, 64675, 84973, 90545, 138775, 157807, 303475, 424865, 452725, 789035, 1104649, 2124325, 3945175, 5523245, 27616225]

約数ペア:

[(1, 27616225), (5, 5523245), (7, 3945175), (13, 2124325), (25, 1104649), (35, 789035), (61, 452725), (65, 424865), (91, 303475), (175, 157807), (199, 138775), (305, 90545), (325, 84973), (427, 64675), (455, 60695), (793, 34825), (995, 27755), (1393, 19825), (1525, 18109), (2135, 12935), (2275, 12139), (2587, 10675), (3965, 6965), (4975, 5551)]