66828975

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 114825984

約数和(自身を除く): 47997009

約数列:

[1, 3, 5, 15, 25, 41, 75, 103, 123, 205, 211, 309, 515, 615, 633, 1025, 1055, 1545, 2575, 3075, 3165, 4223, 5275, 7725, 8651, 12669, 15825, 21115, 21733, 25953, 43255, 63345, 65199, 105575, 108665, 129765, 216275, 316725, 325995, 543325, 648825, 891053, 1629975, 2673159, 4455265, 13365795, 22276325, 66828975]

約数ペア:

[(1, 66828975), (3, 22276325), (5, 13365795), (15, 4455265), (25, 2673159), (41, 1629975), (75, 891053), (103, 648825), (123, 543325), (205, 325995), (211, 316725), (309, 216275), (515, 129765), (615, 108665), (633, 105575), (1025, 65199), (1055, 63345), (1545, 43255), (2575, 25953), (3075, 21733), (3165, 21115), (4223, 15825), (5275, 12669), (7725, 8651)]