28692741

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{557}}^1$

素因数の和:801

約数の個数: 32

約数和(自身を含む): 47996928

約数和(自身を除く): 19304187

約数列:

[1, 3, 7, 11, 21, 33, 77, 223, 231, 557, 669, 1561, 1671, 2453, 3899, 4683, 6127, 7359, 11697, 17171, 18381, 42889, 51513, 124211, 128667, 372633, 869477, 1366321, 2608431, 4098963, 9564247, 28692741]

約数ペア:

[(1, 28692741), (3, 9564247), (7, 4098963), (11, 2608431), (21, 1366321), (33, 869477), (77, 372633), (223, 128667), (231, 124211), (557, 51513), (669, 42889), (1561, 18381), (1671, 17171), (2453, 11697), (3899, 7359), (4683, 6127)]