28763031

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 45964800

約数和(自身を除く): 17201769

約数列:

[1, 3, 11, 17, 33, 51, 59, 79, 121, 177, 187, 237, 363, 561, 649, 869, 1003, 1343, 1947, 2057, 2607, 3009, 4029, 4661, 6171, 7139, 9559, 11033, 13983, 14773, 21417, 28677, 33099, 44319, 51271, 79237, 121363, 153813, 162503, 237711, 364089, 487509, 563981, 871607, 1691943, 2614821, 9587677, 28763031]

約数ペア:

[(1, 28763031), (3, 9587677), (11, 2614821), (17, 1691943), (33, 871607), (51, 563981), (59, 487509), (79, 364089), (121, 237711), (177, 162503), (187, 153813), (237, 121363), (363, 79237), (561, 51271), (649, 44319), (869, 33099), (1003, 28677), (1343, 21417), (1947, 14773), (2057, 13983), (2607, 11033), (3009, 9559), (4029, 7139), (4661, 6171)]