28348191

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:396

約数の個数: 32

約数和(自身を含む): 43545600

約数和(自身を除く): 15197409

約数列:

[1, 3, 9, 27, 47, 89, 141, 251, 267, 423, 753, 801, 1269, 2259, 2403, 4183, 6777, 11797, 12549, 22339, 35391, 37647, 67017, 106173, 112941, 201051, 318519, 603153, 1049933, 3149799, 9449397, 28348191]

約数ペア:

[(1, 28348191), (3, 9449397), (9, 3149799), (27, 1049933), (47, 603153), (89, 318519), (141, 201051), (251, 112941), (267, 106173), (423, 67017), (753, 37647), (801, 35391), (1269, 22339), (2259, 12549), (2403, 11797), (4183, 6777)]