71787753

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 114566400

約数和(自身を除く): 42778647

約数列:

[1, 3, 9, 17, 47, 51, 67, 141, 149, 153, 201, 423, 447, 603, 799, 1139, 1341, 2397, 2533, 3149, 3417, 7003, 7191, 7599, 9447, 9983, 10251, 21009, 22797, 28341, 29949, 53533, 63027, 89847, 119051, 160599, 169711, 357153, 469201, 481797, 509133, 1071459, 1407603, 1527399, 4222809, 7976417, 23929251, 71787753]

約数ペア:

[(1, 71787753), (3, 23929251), (9, 7976417), (17, 4222809), (47, 1527399), (51, 1407603), (67, 1071459), (141, 509133), (149, 481797), (153, 469201), (201, 357153), (423, 169711), (447, 160599), (603, 119051), (799, 89847), (1139, 63027), (1341, 53533), (2397, 29949), (2533, 28341), (3149, 22797), (3417, 21009), (7003, 10251), (7191, 9983), (7599, 9447)]