128759865

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1511}}^1$

素因数の和:1574

約数の個数: 64

約数和(自身を含む): 243855360

約数和(自身を除く): 115095495

約数列:

[1, 3, 5, 13, 15, 19, 23, 39, 57, 65, 69, 95, 115, 195, 247, 285, 299, 345, 437, 741, 897, 1235, 1311, 1495, 1511, 2185, 3705, 4485, 4533, 5681, 6555, 7555, 17043, 19643, 22665, 28405, 28709, 34753, 58929, 85215, 86127, 98215, 104259, 143545, 173765, 294645, 373217, 430635, 451789, 521295, 660307, 1119651, 1355367, 1866085, 1980921, 2258945, 3301535, 5598255, 6776835, 8583991, 9904605, 25751973, 42919955, 128759865]

約数ペア:

[(1, 128759865), (3, 42919955), (5, 25751973), (13, 9904605), (15, 8583991), (19, 6776835), (23, 5598255), (39, 3301535), (57, 2258945), (65, 1980921), (69, 1866085), (95, 1355367), (115, 1119651), (195, 660307), (247, 521295), (285, 451789), (299, 430635), (345, 373217), (437, 294645), (741, 173765), (897, 143545), (1235, 104259), (1311, 98215), (1495, 86127), (1511, 85215), (2185, 58929), (3705, 34753), (4485, 28709), (4533, 28405), (5681, 22665), (6555, 19643), (7555, 17043)]