31388972439

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{661}}^1\times {\mathrm{1429}}^1$

素因数の和:2176

約数の個数: 64

約数和(自身を含む): 49074854400

約数和(自身を除く): 17685881961

約数列:

[1, 3, 11, 19, 33, 53, 57, 159, 209, 583, 627, 661, 1007, 1429, 1749, 1983, 3021, 4287, 7271, 11077, 12559, 15719, 21813, 27151, 33231, 35033, 37677, 47157, 75737, 81453, 105099, 138149, 227211, 298661, 385363, 414447, 665627, 833107, 895983, 944569, 1156089, 1439003, 1996881, 2499321, 2833707, 4317009, 7321897, 10390259, 15829033, 17946811, 21965691, 31170777, 47487099, 50062157, 53840433, 150186471, 197414921, 550683727, 592244763, 951180983, 1652051181, 2853542949, 10462990813, 31388972439]

約数ペア:

[(1, 31388972439), (3, 10462990813), (11, 2853542949), (19, 1652051181), (33, 951180983), (53, 592244763), (57, 550683727), (159, 197414921), (209, 150186471), (583, 53840433), (627, 50062157), (661, 47487099), (1007, 31170777), (1429, 21965691), (1749, 17946811), (1983, 15829033), (3021, 10390259), (4287, 7321897), (7271, 4317009), (11077, 2833707), (12559, 2499321), (15719, 1996881), (21813, 1439003), (27151, 1156089), (33231, 944569), (35033, 895983), (37677, 833107), (47157, 665627), (75737, 414447), (81453, 385363), (105099, 298661), (138149, 227211)]