81510282

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{1663}}^1$

素因数の和:2067

約数の個数: 48

約数和(自身を含む): 202475520

約数和(自身を除く): 120965238

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 389, 778, 1167, 1663, 2334, 2723, 3326, 3501, 4989, 5446, 7002, 8169, 9978, 11641, 14967, 16338, 23282, 24507, 29934, 34923, 49014, 69846, 104769, 209538, 646907, 1293814, 1940721, 3881442, 4528349, 5822163, 9056698, 11644326, 13585047, 27170094, 40755141, 81510282]

約数ペア:

[(1, 81510282), (2, 40755141), (3, 27170094), (6, 13585047), (7, 11644326), (9, 9056698), (14, 5822163), (18, 4528349), (21, 3881442), (42, 1940721), (63, 1293814), (126, 646907), (389, 209538), (778, 104769), (1167, 69846), (1663, 49014), (2334, 34923), (2723, 29934), (3326, 24507), (3501, 23282), (4989, 16338), (5446, 14967), (7002, 11641), (8169, 9978)]