87780525

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2741}}^1$

素因数の和:2822

約数の個数: 48

約数和(自身を含む): 168643968

約数和(自身を除く): 80863443

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 61, 75, 105, 175, 183, 305, 427, 525, 915, 1281, 1525, 2135, 2741, 4575, 6405, 8223, 10675, 13705, 19187, 32025, 41115, 57561, 68525, 95935, 167201, 205575, 287805, 479675, 501603, 836005, 1170407, 1439025, 2508015, 3511221, 4180025, 5852035, 12540075, 17556105, 29260175, 87780525]

約数ペア:

[(1, 87780525), (3, 29260175), (5, 17556105), (7, 12540075), (15, 5852035), (21, 4180025), (25, 3511221), (35, 2508015), (61, 1439025), (75, 1170407), (105, 836005), (175, 501603), (183, 479675), (305, 287805), (427, 205575), (525, 167201), (915, 95935), (1281, 68525), (1525, 57561), (2135, 41115), (2741, 32025), (4575, 19187), (6405, 13705), (8223, 10675)]