22187781

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{317}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 40480128

約数和(自身を除く): 18292347

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 101, 231, 303, 317, 693, 707, 909, 951, 1111, 2121, 2219, 2853, 3333, 3487, 6363, 6657, 7777, 9999, 10461, 19971, 23331, 24409, 31383, 32017, 69993, 73227, 96051, 219681, 224119, 288153, 352187, 672357, 1056561, 2017071, 2465309, 3169683, 7395927, 22187781]

約数ペア:

[(1, 22187781), (3, 7395927), (7, 3169683), (9, 2465309), (11, 2017071), (21, 1056561), (33, 672357), (63, 352187), (77, 288153), (99, 224119), (101, 219681), (231, 96051), (303, 73227), (317, 69993), (693, 32017), (707, 31383), (909, 24409), (951, 23331), (1111, 19971), (2121, 10461), (2219, 9999), (2853, 7777), (3333, 6657), (3487, 6363)]