28047201

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1447}}^1$

素因数の和:1541

約数の個数: 32

約数和(自身を含む): 46706688

約数和(自身を除く): 18659487

約数列:

[1, 3, 7, 13, 21, 39, 71, 91, 213, 273, 497, 923, 1447, 1491, 2769, 4341, 6461, 10129, 18811, 19383, 30387, 56433, 102737, 131677, 308211, 395031, 719159, 1335581, 2157477, 4006743, 9349067, 28047201]

約数ペア:

[(1, 28047201), (3, 9349067), (7, 4006743), (13, 2157477), (21, 1335581), (39, 719159), (71, 395031), (91, 308211), (213, 131677), (273, 102737), (497, 56433), (923, 30387), (1447, 19383), (1491, 18811), (2769, 10129), (4341, 6461)]