28267257

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:333

約数の個数: 32

約数和(自身を含む): 41287680

約数和(自身を除く): 13020423

約数列:

[1, 3, 29, 31, 47, 87, 93, 141, 223, 669, 899, 1363, 1457, 2697, 4089, 4371, 6467, 6913, 10481, 19401, 20739, 31443, 42253, 126759, 200477, 303949, 324911, 601431, 911847, 974733, 9422419, 28267257]

約数ペア:

[(1, 28267257), (3, 9422419), (29, 974733), (31, 911847), (47, 601431), (87, 324911), (93, 303949), (141, 200477), (223, 126759), (669, 42253), (899, 31443), (1363, 20739), (1457, 19401), (2697, 10481), (4089, 6913), (4371, 6467)]