212938209

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5501}}^1$

素因数の和:5558

約数の個数: 48

約数和(自身を含む): 370790784

約数和(自身を除く): 157852575

約数列:

[1, 3, 9, 11, 17, 23, 33, 51, 69, 99, 153, 187, 207, 253, 391, 561, 759, 1173, 1683, 2277, 3519, 4301, 5501, 12903, 16503, 38709, 49509, 60511, 93517, 126523, 181533, 280551, 379569, 544599, 841653, 1028687, 1138707, 1391753, 2150891, 3086061, 4175259, 6452673, 9258183, 12525777, 19358019, 23659801, 70979403, 212938209]

約数ペア:

[(1, 212938209), (3, 70979403), (9, 23659801), (11, 19358019), (17, 12525777), (23, 9258183), (33, 6452673), (51, 4175259), (69, 3086061), (99, 2150891), (153, 1391753), (187, 1138707), (207, 1028687), (253, 841653), (391, 544599), (561, 379569), (759, 280551), (1173, 181533), (1683, 126523), (2277, 93517), (3519, 60511), (4301, 49509), (5501, 38709), (12903, 16503)]