28681587

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{359}}^1$

素因数の和:648

約数の個数: 32

約数和(自身を含む): 46656000

約数和(自身を除く): 17974413

約数列:

[1, 3, 9, 11, 27, 33, 99, 269, 297, 359, 807, 1077, 2421, 2959, 3231, 3949, 7263, 8877, 9693, 11847, 26631, 35541, 79893, 96571, 106623, 289713, 869139, 1062281, 2607417, 3186843, 9560529, 28681587]

約数ペア:

[(1, 28681587), (3, 9560529), (9, 3186843), (11, 2607417), (27, 1062281), (33, 869139), (99, 289713), (269, 106623), (297, 96571), (359, 79893), (807, 35541), (1077, 26631), (2421, 11847), (2959, 9693), (3231, 8877), (3949, 7263)]