28741419

素因数分解:

$3^3\times 7^1\times {\mathrm{241}}^1\times {\mathrm{631}}^1$

素因数の和:888

約数の個数: 32

約数和(自身を含む): 48942080

約数和(自身を除く): 20200661

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 241, 631, 723, 1687, 1893, 2169, 4417, 5061, 5679, 6507, 13251, 15183, 17037, 39753, 45549, 119259, 152071, 456213, 1064497, 1368639, 3193491, 4105917, 9580473, 28741419]

約数ペア:

[(1, 28741419), (3, 9580473), (7, 4105917), (9, 3193491), (21, 1368639), (27, 1064497), (63, 456213), (189, 152071), (241, 119259), (631, 45549), (723, 39753), (1687, 17037), (1893, 15183), (2169, 13251), (4417, 6507), (5061, 5679)]