90878175

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1033}}^1$

素因数の和:1089

約数の個数: 72

約数和(自身を含む): 180015264

約数和(自身を除く): 89137089

約数列:

[1, 3, 5, 9, 15, 17, 23, 25, 45, 51, 69, 75, 85, 115, 153, 207, 225, 255, 345, 391, 425, 575, 765, 1033, 1035, 1173, 1275, 1725, 1955, 3099, 3519, 3825, 5165, 5175, 5865, 9297, 9775, 15495, 17561, 17595, 23759, 25825, 29325, 46485, 52683, 71277, 77475, 87805, 87975, 118795, 158049, 213831, 232425, 263415, 356385, 403903, 439025, 593975, 790245, 1069155, 1211709, 1317075, 1781925, 2019515, 3635127, 3951225, 5345775, 6058545, 10097575, 18175635, 30292725, 90878175]

約数ペア:

[(1, 90878175), (3, 30292725), (5, 18175635), (9, 10097575), (15, 6058545), (17, 5345775), (23, 3951225), (25, 3635127), (45, 2019515), (51, 1781925), (69, 1317075), (75, 1211709), (85, 1069155), (115, 790245), (153, 593975), (207, 439025), (225, 403903), (255, 356385), (345, 263415), (391, 232425), (425, 213831), (575, 158049), (765, 118795), (1033, 87975), (1035, 87805), (1173, 77475), (1275, 71277), (1725, 52683), (1955, 46485), (3099, 29325), (3519, 25825), (3825, 23759), (5165, 17595), (5175, 17561), (5865, 15495), (9297, 9775)]