2215521

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:186

約数の個数: 48

約数和(自身を含む): 4193280

約数和(自身を除く): 1977759

約数列:

[1, 3, 7, 9, 11, 21, 23, 33, 63, 69, 77, 99, 139, 161, 207, 231, 253, 417, 483, 693, 759, 973, 1251, 1449, 1529, 1771, 2277, 2919, 3197, 4587, 5313, 8757, 9591, 10703, 13761, 15939, 22379, 28773, 32109, 35167, 67137, 96327, 105501, 201411, 246169, 316503, 738507, 2215521]

約数ペア:

[(1, 2215521), (3, 738507), (7, 316503), (9, 246169), (11, 201411), (21, 105501), (23, 96327), (33, 67137), (63, 35167), (69, 32109), (77, 28773), (99, 22379), (139, 15939), (161, 13761), (207, 10703), (231, 9591), (253, 8757), (417, 5313), (483, 4587), (693, 3197), (759, 2919), (973, 2277), (1251, 1771), (1449, 1529)]