28378329

素因数分解:

$3^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{2957}}^1$

素因数の和:3424

約数の個数: 16

約数和(自身を含む): 43352448

約数和(自身を除く): 14974119

約数列:

[1, 3, 7, 21, 457, 1371, 2957, 3199, 8871, 9597, 20699, 62097, 1351349, 4054047, 9459443, 28378329]

約数ペア:

[(1, 28378329), (3, 9459443), (7, 4054047), (21, 1351349), (457, 62097), (1371, 20699), (2957, 9597), (3199, 8871)]