28710843

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1531}}^1$

素因数の和:1607

約数の個数: 32

約数和(自身を含む): 47063040

約数和(自身を除く): 18352197

約数列:

[1, 3, 7, 19, 21, 47, 57, 133, 141, 329, 399, 893, 987, 1531, 2679, 4593, 6251, 10717, 18753, 29089, 32151, 71957, 87267, 203623, 215871, 503699, 610869, 1367183, 1511097, 4101549, 9570281, 28710843]

約数ペア:

[(1, 28710843), (3, 9570281), (7, 4101549), (19, 1511097), (21, 1367183), (47, 610869), (57, 503699), (133, 215871), (141, 203623), (329, 87267), (399, 71957), (893, 32151), (987, 29089), (1531, 18753), (2679, 10717), (4593, 6251)]