838142721

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{15607}}^1$

素因数の和:15652

約数の個数: 48

約数和(自身を含む): 1431690624

約数和(自身を除く): 593547903

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 81, 117, 153, 221, 243, 351, 459, 663, 1053, 1377, 1989, 3159, 4131, 5967, 15607, 17901, 46821, 53703, 140463, 202891, 265319, 421389, 608673, 795957, 1264167, 1826019, 2387871, 3449147, 3792501, 5478057, 7163613, 10347441, 16434171, 21490839, 31042323, 49302513, 64472517, 93126969, 279380907, 838142721]

約数ペア:

[(1, 838142721), (3, 279380907), (9, 93126969), (13, 64472517), (17, 49302513), (27, 31042323), (39, 21490839), (51, 16434171), (81, 10347441), (117, 7163613), (153, 5478057), (221, 3792501), (243, 3449147), (351, 2387871), (459, 1826019), (663, 1264167), (1053, 795957), (1377, 608673), (1989, 421389), (3159, 265319), (4131, 202891), (5967, 140463), (15607, 53703), (17901, 46821)]