42947289

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2137}}^1$

素因数の和:2190

約数の個数: 48

約数和(自身を含む): 80046720

約数和(自身を除く): 37099431

約数列:

[1, 3, 7, 9, 11, 21, 29, 33, 63, 77, 87, 99, 203, 231, 261, 319, 609, 693, 957, 1827, 2137, 2233, 2871, 6411, 6699, 14959, 19233, 20097, 23507, 44877, 61973, 70521, 134631, 164549, 185919, 211563, 433811, 493647, 557757, 681703, 1301433, 1480941, 2045109, 3904299, 4771921, 6135327, 14315763, 42947289]

約数ペア:

[(1, 42947289), (3, 14315763), (7, 6135327), (9, 4771921), (11, 3904299), (21, 2045109), (29, 1480941), (33, 1301433), (63, 681703), (77, 557757), (87, 493647), (99, 433811), (203, 211563), (231, 185919), (261, 164549), (319, 134631), (609, 70521), (693, 61973), (957, 44877), (1827, 23507), (2137, 20097), (2233, 19233), (2871, 14959), (6411, 6699)]