81723978

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3793}}^1$

素因数の和:3833

約数の個数: 80

約数和(自身を含む): 220355520

約数和(自身を除く): 138631542

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 42, 54, 57, 63, 81, 114, 126, 133, 162, 171, 189, 266, 342, 378, 399, 513, 567, 798, 1026, 1134, 1197, 1539, 2394, 3078, 3591, 3793, 7182, 7586, 10773, 11379, 21546, 22758, 26551, 34137, 53102, 68274, 72067, 79653, 102411, 144134, 159306, 204822, 216201, 238959, 307233, 432402, 477918, 504469, 614466, 648603, 716877, 1008938, 1297206, 1433754, 1513407, 1945809, 2150631, 3026814, 3891618, 4301262, 4540221, 5837427, 9080442, 11674854, 13620663, 27241326, 40861989, 81723978]

約数ペア:

[(1, 81723978), (2, 40861989), (3, 27241326), (6, 13620663), (7, 11674854), (9, 9080442), (14, 5837427), (18, 4540221), (19, 4301262), (21, 3891618), (27, 3026814), (38, 2150631), (42, 1945809), (54, 1513407), (57, 1433754), (63, 1297206), (81, 1008938), (114, 716877), (126, 648603), (133, 614466), (162, 504469), (171, 477918), (189, 432402), (266, 307233), (342, 238959), (378, 216201), (399, 204822), (513, 159306), (567, 144134), (798, 102411), (1026, 79653), (1134, 72067), (1197, 68274), (1539, 53102), (2394, 34137), (3078, 26551), (3591, 22758), (3793, 21546), (7182, 11379), (7586, 10773)]