42031857

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 69768000

約数和(自身を除く): 27736143

約数列:

[1, 3, 7, 19, 21, 49, 57, 101, 133, 147, 149, 303, 399, 447, 707, 931, 1043, 1919, 2121, 2793, 2831, 3129, 4949, 5757, 7301, 8493, 13433, 14847, 15049, 19817, 21903, 40299, 45147, 59451, 94031, 105343, 138719, 282093, 285931, 316029, 416157, 737401, 857793, 2001517, 2212203, 6004551, 14010619, 42031857]

約数ペア:

[(1, 42031857), (3, 14010619), (7, 6004551), (19, 2212203), (21, 2001517), (49, 857793), (57, 737401), (101, 416157), (133, 316029), (147, 285931), (149, 282093), (303, 138719), (399, 105343), (447, 94031), (707, 59451), (931, 45147), (1043, 40299), (1919, 21903), (2121, 19817), (2793, 15049), (2831, 14847), (3129, 13433), (4949, 8493), (5757, 7301)]