218676861

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{757}}^1\times {\mathrm{823}}^1$

素因数の和:1602

約数の個数: 32

約数和(自身を含む): 349771520

約数和(自身を除く): 131094659

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 757, 823, 2271, 2469, 6813, 7407, 9841, 10699, 20439, 22221, 29523, 32097, 88569, 96291, 265707, 288873, 623011, 1869033, 5607099, 8099143, 16821297, 24297429, 72892287, 218676861]

約数ペア:

[(1, 218676861), (3, 72892287), (9, 24297429), (13, 16821297), (27, 8099143), (39, 5607099), (117, 1869033), (351, 623011), (757, 288873), (823, 265707), (2271, 96291), (2469, 88569), (6813, 32097), (7407, 29523), (9841, 22221), (10699, 20439)]