28143819

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{4243}}^1$

素因数の和:4327

約数の個数: 24

約数和(自身を含む): 45020352

約数和(自身を除く): 16876533

約数列:

[1, 3, 9, 11, 33, 67, 99, 201, 603, 737, 2211, 4243, 6633, 12729, 38187, 46673, 140019, 284281, 420057, 852843, 2558529, 3127091, 9381273, 28143819]

約数ペア:

[(1, 28143819), (3, 9381273), (9, 3127091), (11, 2558529), (33, 852843), (67, 420057), (99, 284281), (201, 140019), (603, 46673), (737, 38187), (2211, 12729), (4243, 6633)]