1899693

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{499}}^1$

素因数の和:558

約数の個数: 20

約数和(自身を含む): 2904000

約数和(自身を除く): 1004307

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 499, 1269, 1497, 3807, 4491, 13473, 23453, 40419, 70359, 211077, 633231, 1899693]

約数ペア:

[(1, 1899693), (3, 633231), (9, 211077), (27, 70359), (47, 40419), (81, 23453), (141, 13473), (423, 4491), (499, 3807), (1269, 1497)]