18018693

素因数分解:

$3^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1$

素因数の和:146

約数の個数: 64

約数和(自身を含む): 34007040

約数和(自身を除く): 15988347

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 107, 189, 231, 243, 297, 321, 567, 693, 729, 749, 891, 963, 1177, 1701, 2079, 2187, 2247, 2673, 2889, 3531, 5103, 6237, 6741, 8019, 8239, 8667, 10593, 15309, 18711, 20223, 24057, 24717, 26001, 31779, 56133, 60669, 74151, 78003, 95337, 168399, 182007, 222453, 234009, 286011, 546021, 667359, 858033, 1638063, 2002077, 2574099, 6006231, 18018693]

約数ペア:

[(1, 18018693), (3, 6006231), (7, 2574099), (9, 2002077), (11, 1638063), (21, 858033), (27, 667359), (33, 546021), (63, 286011), (77, 234009), (81, 222453), (99, 182007), (107, 168399), (189, 95337), (231, 78003), (243, 74151), (297, 60669), (321, 56133), (567, 31779), (693, 26001), (729, 24717), (749, 24057), (891, 20223), (963, 18711), (1177, 15309), (1701, 10593), (2079, 8667), (2187, 8239), (2247, 8019), (2673, 6741), (2889, 6237), (3531, 5103)]