216495825

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31721}}^1$

素因数の和:31754

約数の個数: 48

約数和(自身を含む): 440555136

約数和(自身を除く): 224059311

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 65, 75, 91, 105, 175, 195, 273, 325, 455, 525, 975, 1365, 2275, 6825, 31721, 95163, 158605, 222047, 412373, 475815, 666141, 793025, 1110235, 1237119, 2061865, 2379075, 2886611, 3330705, 5551175, 6185595, 8659833, 10309325, 14433055, 16653525, 30927975, 43299165, 72165275, 216495825]

約数ペア:

[(1, 216495825), (3, 72165275), (5, 43299165), (7, 30927975), (13, 16653525), (15, 14433055), (21, 10309325), (25, 8659833), (35, 6185595), (39, 5551175), (65, 3330705), (75, 2886611), (91, 2379075), (105, 2061865), (175, 1237119), (195, 1110235), (273, 793025), (325, 666141), (455, 475815), (525, 412373), (975, 222047), (1365, 158605), (2275, 95163), (6825, 31721)]