27920844

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1097}}^1$

素因数の和:1215

約数の個数: 72

約数和(自身を含む): 81533088

約数和(自身を除く): 53612244

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 101, 126, 202, 252, 303, 404, 606, 707, 909, 1097, 1212, 1414, 1818, 2121, 2194, 2828, 3291, 3636, 4242, 4388, 6363, 6582, 7679, 8484, 9873, 12726, 13164, 15358, 19746, 23037, 25452, 30716, 39492, 46074, 69111, 92148, 110797, 138222, 221594, 276444, 332391, 443188, 664782, 775579, 997173, 1329564, 1551158, 1994346, 2326737, 3102316, 3988692, 4653474, 6980211, 9306948, 13960422, 27920844]

約数ペア:

[(1, 27920844), (2, 13960422), (3, 9306948), (4, 6980211), (6, 4653474), (7, 3988692), (9, 3102316), (12, 2326737), (14, 1994346), (18, 1551158), (21, 1329564), (28, 997173), (36, 775579), (42, 664782), (63, 443188), (84, 332391), (101, 276444), (126, 221594), (202, 138222), (252, 110797), (303, 92148), (404, 69111), (606, 46074), (707, 39492), (909, 30716), (1097, 25452), (1212, 23037), (1414, 19746), (1818, 15358), (2121, 13164), (2194, 12726), (2828, 9873), (3291, 8484), (3636, 7679), (4242, 6582), (4388, 6363)]