28053837

素因数分解:

$3^3\times 7^1\times {\mathrm{151}}^1\times {\mathrm{983}}^1$

素因数の和:1150

約数の個数: 32

約数和(自身を含む): 47861760

約数和(自身を除く): 19807923

約数列:

[1, 3, 7, 9, 21, 27, 63, 151, 189, 453, 983, 1057, 1359, 2949, 3171, 4077, 6881, 8847, 9513, 20643, 26541, 28539, 61929, 148433, 185787, 445299, 1039031, 1335897, 3117093, 4007691, 9351279, 28053837]

約数ペア:

[(1, 28053837), (3, 9351279), (7, 4007691), (9, 3117093), (21, 1335897), (27, 1039031), (63, 445299), (151, 185787), (189, 148433), (453, 61929), (983, 28539), (1057, 26541), (1359, 20643), (2949, 9513), (3171, 8847), (4077, 6881)]