81198075

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{733}}^1$

素因数の和:964

約数の個数: 48

約数和(自身を含む): 154363136

約数和(自身を除く): 73165061

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 211, 525, 633, 733, 1055, 1477, 2199, 3165, 3665, 4431, 5131, 5275, 7385, 10995, 15393, 15825, 18325, 22155, 25655, 36925, 54975, 76965, 110775, 128275, 154663, 384825, 463989, 773315, 1082641, 2319945, 3247923, 3866575, 5413205, 11599725, 16239615, 27066025, 81198075]

約数ペア:

[(1, 81198075), (3, 27066025), (5, 16239615), (7, 11599725), (15, 5413205), (21, 3866575), (25, 3247923), (35, 2319945), (75, 1082641), (105, 773315), (175, 463989), (211, 384825), (525, 154663), (633, 128275), (733, 110775), (1055, 76965), (1477, 54975), (2199, 36925), (3165, 25655), (3665, 22155), (4431, 18325), (5131, 15825), (5275, 15393), (7385, 10995)]