28696395

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21023}}^1$

素因数の和:21051

約数の個数: 32

約数和(自身を含む): 56512512

約数和(自身を除く): 27816117

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 21023, 63069, 105115, 147161, 273299, 315345, 441483, 735805, 819897, 1366495, 1913093, 2207415, 4099485, 5739279, 9565465, 28696395]

約数ペア:

[(1, 28696395), (3, 9565465), (5, 5739279), (7, 4099485), (13, 2207415), (15, 1913093), (21, 1366495), (35, 819897), (39, 735805), (65, 441483), (91, 315345), (105, 273299), (195, 147161), (273, 105115), (455, 63069), (1365, 21023)]