28597527

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{3413}}^1$

素因数の和:3452

約数の個数: 36

約数和(自身を含む): 50595480

約数和(自身を除く): 21997953

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 2793, 3413, 8379, 10239, 23891, 30717, 64847, 71673, 167237, 194541, 215019, 453929, 501711, 583623, 1361787, 1505133, 3177503, 4085361, 9532509, 28597527]

約数ペア:

[(1, 28597527), (3, 9532509), (7, 4085361), (9, 3177503), (19, 1505133), (21, 1361787), (49, 583623), (57, 501711), (63, 453929), (133, 215019), (147, 194541), (171, 167237), (399, 71673), (441, 64847), (931, 30717), (1197, 23891), (2793, 10239), (3413, 8379)]