74720217

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 125798400

約数和(自身を除く): 51078183

約数列:

[1, 3, 11, 13, 19, 33, 39, 57, 89, 103, 143, 209, 247, 267, 309, 429, 627, 741, 979, 1133, 1157, 1339, 1691, 1957, 2717, 2937, 3399, 3471, 4017, 5073, 5871, 8151, 9167, 12727, 14729, 18601, 21527, 21983, 25441, 27501, 38181, 44187, 55803, 64581, 65949, 76323, 100837, 119171, 174173, 241813, 279851, 302511, 357513, 522519, 725439, 839553, 1310881, 1915903, 2264249, 3932643, 5747709, 6792747, 24906739, 74720217]

約数ペア:

[(1, 74720217), (3, 24906739), (11, 6792747), (13, 5747709), (19, 3932643), (33, 2264249), (39, 1915903), (57, 1310881), (89, 839553), (103, 725439), (143, 522519), (209, 357513), (247, 302511), (267, 279851), (309, 241813), (429, 174173), (627, 119171), (741, 100837), (979, 76323), (1133, 65949), (1157, 64581), (1339, 55803), (1691, 44187), (1957, 38181), (2717, 27501), (2937, 25441), (3399, 21983), (3471, 21527), (4017, 18601), (5073, 14729), (5871, 12727), (8151, 9167)]