28509639

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{67}}^2\times {\mathrm{73}}^1$

素因数の和:239

約数の個数: 24

約数和(自身を含む): 40466160

約数和(自身を除く): 11956521

約数列:

[1, 3, 29, 67, 73, 87, 201, 219, 1943, 2117, 4489, 4891, 5829, 6351, 13467, 14673, 130181, 141839, 327697, 390543, 425517, 983091, 9503213, 28509639]

約数ペア:

[(1, 28509639), (3, 9503213), (29, 983091), (67, 425517), (73, 390543), (87, 327697), (201, 141839), (219, 130181), (1943, 14673), (2117, 13467), (4489, 6351), (4891, 5829)]