28013517

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{19333}}^1$

素因数の和:19369

約数の個数: 24

約数和(自身を含む): 48257664

約数和(自身を除く): 20244147

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 19333, 57999, 135331, 173997, 405993, 444659, 1217979, 1333977, 3112613, 4001931, 9337839, 28013517]

約数ペア:

[(1, 28013517), (3, 9337839), (7, 4001931), (9, 3112613), (21, 1333977), (23, 1217979), (63, 444659), (69, 405993), (161, 173997), (207, 135331), (483, 57999), (1449, 19333)]