190496781

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{449}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 303264000

約数和(自身を除く): 112767219

約数列:

[1, 3, 9, 17, 47, 51, 59, 141, 153, 177, 423, 449, 531, 799, 1003, 1347, 2397, 2773, 3009, 4041, 7191, 7633, 8319, 9027, 21103, 22899, 24957, 26491, 47141, 63309, 68697, 79473, 141423, 189927, 238419, 358751, 424269, 450347, 1076253, 1245077, 1351041, 3228759, 3735231, 4053123, 11205693, 21166309, 63498927, 190496781]

約数ペア:

[(1, 190496781), (3, 63498927), (9, 21166309), (17, 11205693), (47, 4053123), (51, 3735231), (59, 3228759), (141, 1351041), (153, 1245077), (177, 1076253), (423, 450347), (449, 424269), (531, 358751), (799, 238419), (1003, 189927), (1347, 141423), (2397, 79473), (2773, 68697), (3009, 63309), (4041, 47141), (7191, 26491), (7633, 24957), (8319, 22899), (9027, 21103)]