128968749

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:259

約数の個数: 96

約数和(自身を含む): 248451840

約数和(自身を除く): 119483091

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 51, 59, 63, 91, 117, 119, 153, 157, 177, 221, 273, 357, 413, 471, 531, 663, 767, 819, 1003, 1071, 1099, 1239, 1413, 1547, 1989, 2041, 2301, 2669, 3009, 3297, 3717, 4641, 5369, 6123, 6903, 7021, 8007, 9027, 9263, 9891, 13039, 13923, 14287, 16107, 18369, 18683, 21063, 24021, 27789, 34697, 39117, 42861, 48321, 56049, 63189, 64841, 83367, 91273, 104091, 117351, 120419, 128583, 157471, 168147, 194523, 242879, 273819, 312273, 361257, 472413, 583569, 728637, 821457, 842933, 1083771, 1102297, 1417239, 2047123, 2185911, 2528799, 3306891, 6141369, 7586397, 9920673, 14329861, 18424107, 42989583, 128968749]

約数ペア:

[(1, 128968749), (3, 42989583), (7, 18424107), (9, 14329861), (13, 9920673), (17, 7586397), (21, 6141369), (39, 3306891), (51, 2528799), (59, 2185911), (63, 2047123), (91, 1417239), (117, 1102297), (119, 1083771), (153, 842933), (157, 821457), (177, 728637), (221, 583569), (273, 472413), (357, 361257), (413, 312273), (471, 273819), (531, 242879), (663, 194523), (767, 168147), (819, 157471), (1003, 128583), (1071, 120419), (1099, 117351), (1239, 104091), (1413, 91273), (1547, 83367), (1989, 64841), (2041, 63189), (2301, 56049), (2669, 48321), (3009, 42861), (3297, 39117), (3717, 34697), (4641, 27789), (5369, 24021), (6123, 21063), (6903, 18683), (7021, 18369), (8007, 16107), (9027, 14287), (9263, 13923), (9891, 13039)]