15911469

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 27955200

約数和(自身を除く): 12043731

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 79, 139, 161, 207, 237, 417, 483, 553, 711, 973, 1251, 1449, 1659, 1817, 2919, 3197, 4977, 5451, 8757, 9591, 10981, 12719, 16353, 22379, 28773, 32943, 38157, 67137, 76867, 98829, 114471, 201411, 230601, 252563, 691803, 757689, 1767941, 2273067, 5303823, 15911469]

約数ペア:

[(1, 15911469), (3, 5303823), (7, 2273067), (9, 1767941), (21, 757689), (23, 691803), (63, 252563), (69, 230601), (79, 201411), (139, 114471), (161, 98829), (207, 76867), (237, 67137), (417, 38157), (483, 32943), (553, 28773), (711, 22379), (973, 16353), (1251, 12719), (1449, 10981), (1659, 9591), (1817, 8757), (2919, 5451), (3197, 4977)]