20131964181

素因数分解:

$3^3\times 7^1\times {\mathrm{127}}^1\times {\mathrm{379}}^1\times {\mathrm{2213}}^1$

素因数の和:2735

約数の個数: 64

約数和(自身を含む): 34460467200

約数和(自身を除く): 14328503019

約数列:

[1, 3, 7, 9, 21, 27, 63, 127, 189, 379, 381, 889, 1137, 1143, 2213, 2653, 2667, 3411, 3429, 6639, 7959, 8001, 10233, 15491, 19917, 23877, 24003, 46473, 48133, 59751, 71631, 139419, 144399, 281051, 336931, 418257, 433197, 838727, 843153, 1010793, 1299591, 1967357, 2516181, 2529459, 3032379, 5871089, 5902071, 7548543, 7588377, 9097137, 17613267, 17706213, 22645629, 52839801, 53118639, 106518329, 158519403, 319554987, 745628303, 958664961, 2236884909, 2875994883, 6710654727, 20131964181]

約数ペア:

[(1, 20131964181), (3, 6710654727), (7, 2875994883), (9, 2236884909), (21, 958664961), (27, 745628303), (63, 319554987), (127, 158519403), (189, 106518329), (379, 53118639), (381, 52839801), (889, 22645629), (1137, 17706213), (1143, 17613267), (2213, 9097137), (2653, 7588377), (2667, 7548543), (3411, 5902071), (3429, 5871089), (6639, 3032379), (7959, 2529459), (8001, 2516181), (10233, 1967357), (15491, 1299591), (19917, 1010793), (23877, 843153), (24003, 838727), (46473, 433197), (48133, 418257), (59751, 336931), (71631, 281051), (139419, 144399)]