28402395

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1213}}^1$

素因数の和:1451

約数の個数: 32

約数和(自身を含む): 52211712

約数和(自身を除く): 23809317

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 223, 669, 1115, 1213, 1561, 3345, 3639, 4683, 6065, 7805, 8491, 18195, 23415, 25473, 42455, 127365, 270499, 811497, 1352495, 1893493, 4057485, 5680479, 9467465, 28402395]

約数ペア:

[(1, 28402395), (3, 9467465), (5, 5680479), (7, 4057485), (15, 1893493), (21, 1352495), (35, 811497), (105, 270499), (223, 127365), (669, 42455), (1115, 25473), (1213, 23415), (1561, 18195), (3345, 8491), (3639, 7805), (4683, 6065)]