212748975

素因数分解:

$3^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{11969}}^1$

素因数の和:12064

約数の個数: 36

約数和(自身を含む): 385912800

約数和(自身を除く): 173163825

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 79, 225, 237, 395, 711, 1185, 1975, 3555, 5925, 11969, 17775, 35907, 59845, 107721, 179535, 299225, 538605, 897675, 945551, 2693025, 2836653, 4727755, 8509959, 14183265, 23638775, 42549795, 70916325, 212748975]

約数ペア:

[(1, 212748975), (3, 70916325), (5, 42549795), (9, 23638775), (15, 14183265), (25, 8509959), (45, 4727755), (75, 2836653), (79, 2693025), (225, 945551), (237, 897675), (395, 538605), (711, 299225), (1185, 179535), (1975, 107721), (3555, 59845), (5925, 35907), (11969, 17775)]