42018921

素因数分解:

$3^2\times 7^2\times {\mathrm{151}}^1\times {\mathrm{631}}^1$

素因数の和:802

約数の個数: 36

約数和(自身を含む): 71183424

約数和(自身を除く): 29164503

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 151, 441, 453, 631, 1057, 1359, 1893, 3171, 4417, 5679, 7399, 9513, 13251, 22197, 30919, 39753, 66591, 92757, 95281, 278271, 285843, 666967, 857529, 2000901, 4668769, 6002703, 14006307, 42018921]

約数ペア:

[(1, 42018921), (3, 14006307), (7, 6002703), (9, 4668769), (21, 2000901), (49, 857529), (63, 666967), (147, 285843), (151, 278271), (441, 95281), (453, 92757), (631, 66591), (1057, 39753), (1359, 30919), (1893, 22197), (3171, 13251), (4417, 9513), (5679, 7399)]