2018963925

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{2903}}^1$

素因数の和:3211

約数の個数: 72

約数和(自身を含む): 3960335808

約数和(自身を除く): 1941371883

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 165, 225, 275, 281, 495, 825, 843, 1405, 2475, 2529, 2903, 3091, 4215, 7025, 8709, 9273, 12645, 14515, 15455, 21075, 26127, 27819, 31933, 43545, 46365, 63225, 72575, 77275, 95799, 130635, 139095, 159665, 217725, 231825, 287397, 478995, 653175, 695475, 798325, 815743, 1436985, 2394975, 2447229, 4078715, 7184925, 7341687, 8973173, 12236145, 20393575, 26919519, 36708435, 44865865, 61180725, 80758557, 134597595, 183542175, 224329325, 403792785, 672987975, 2018963925]

約数ペア:

[(1, 2018963925), (3, 672987975), (5, 403792785), (9, 224329325), (11, 183542175), (15, 134597595), (25, 80758557), (33, 61180725), (45, 44865865), (55, 36708435), (75, 26919519), (99, 20393575), (165, 12236145), (225, 8973173), (275, 7341687), (281, 7184925), (495, 4078715), (825, 2447229), (843, 2394975), (1405, 1436985), (2475, 815743), (2529, 798325), (2903, 695475), (3091, 653175), (4215, 478995), (7025, 287397), (8709, 231825), (9273, 217725), (12645, 159665), (14515, 139095), (15455, 130635), (21075, 95799), (26127, 77275), (27819, 72575), (31933, 63225), (43545, 46365)]