51947847

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{397}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 90068992

約数和(自身を除く): 38121145

約数列:

[1, 3, 7, 9, 21, 31, 63, 67, 93, 201, 217, 279, 397, 469, 603, 651, 1191, 1407, 1953, 2077, 2779, 3573, 4221, 6231, 8337, 12307, 14539, 18693, 25011, 26599, 36921, 43617, 79797, 86149, 110763, 130851, 186193, 239391, 258447, 558579, 775341, 824569, 1675737, 2473707, 5771983, 7421121, 17315949, 51947847]

約数ペア:

[(1, 51947847), (3, 17315949), (7, 7421121), (9, 5771983), (21, 2473707), (31, 1675737), (63, 824569), (67, 775341), (93, 558579), (201, 258447), (217, 239391), (279, 186193), (397, 130851), (469, 110763), (603, 86149), (651, 79797), (1191, 43617), (1407, 36921), (1953, 26599), (2077, 25011), (2779, 18693), (3573, 14539), (4221, 12307), (6231, 8337)]