51712101

素因数分解:

$3^5\times 7^2\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:173

約数の個数: 72

約数和(自身を含む): 93117024

約数和(自身を除く): 41404923

約数列:

[1, 3, 7, 9, 21, 27, 43, 49, 63, 81, 101, 129, 147, 189, 243, 301, 303, 387, 441, 567, 707, 903, 909, 1161, 1323, 1701, 2107, 2121, 2709, 2727, 3483, 3969, 4343, 4949, 6321, 6363, 8127, 8181, 10449, 11907, 13029, 14847, 18963, 19089, 24381, 24543, 30401, 39087, 44541, 56889, 57267, 73143, 91203, 117261, 133623, 170667, 171801, 212807, 273609, 351783, 400869, 512001, 638421, 820827, 1055349, 1202607, 1915263, 2462481, 5745789, 7387443, 17237367, 51712101]

約数ペア:

[(1, 51712101), (3, 17237367), (7, 7387443), (9, 5745789), (21, 2462481), (27, 1915263), (43, 1202607), (49, 1055349), (63, 820827), (81, 638421), (101, 512001), (129, 400869), (147, 351783), (189, 273609), (243, 212807), (301, 171801), (303, 170667), (387, 133623), (441, 117261), (567, 91203), (707, 73143), (903, 57267), (909, 56889), (1161, 44541), (1323, 39087), (1701, 30401), (2107, 24543), (2121, 24381), (2709, 19089), (2727, 18963), (3483, 14847), (3969, 13029), (4343, 11907), (4949, 10449), (6321, 8181), (6363, 8127)]