28301553

素因数分解:

$3^2\times 7^1\times {\mathrm{457}}^1\times {\mathrm{983}}^1$

素因数の和:1453

約数の個数: 24

約数和(自身を含む): 46869888

約数和(自身を除く): 18568335

約数列:

[1, 3, 7, 9, 21, 63, 457, 983, 1371, 2949, 3199, 4113, 6881, 8847, 9597, 20643, 28791, 61929, 449231, 1347693, 3144617, 4043079, 9433851, 28301553]

約数ペア:

[(1, 28301553), (3, 9433851), (7, 4043079), (9, 3144617), (21, 1347693), (63, 449231), (457, 61929), (983, 28791), (1371, 20643), (2949, 9597), (3199, 8847), (4113, 6881)]