1919997

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:162

約数の個数: 32

約数和(自身を含む): 3110400

約数和(自身を除く): 1190403

約数列:

[1, 3, 9, 17, 27, 47, 51, 89, 141, 153, 267, 423, 459, 799, 801, 1269, 1513, 2397, 2403, 4183, 4539, 7191, 12549, 13617, 21573, 37647, 40851, 71111, 112941, 213333, 639999, 1919997]

約数ペア:

[(1, 1919997), (3, 639999), (9, 213333), (17, 112941), (27, 71111), (47, 40851), (51, 37647), (89, 21573), (141, 13617), (153, 12549), (267, 7191), (423, 4539), (459, 4183), (799, 2403), (801, 2397), (1269, 1513)]