42993447

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{389}}^1$

素因数の和:695

約数の個数: 32

約数和(自身を含む): 69388800

約数和(自身を除く): 26395353

約数列:

[1, 3, 7, 19, 21, 57, 133, 277, 389, 399, 831, 1167, 1939, 2723, 5263, 5817, 7391, 8169, 15789, 22173, 36841, 51737, 107753, 110523, 155211, 323259, 754271, 2047307, 2262813, 6141921, 14331149, 42993447]

約数ペア:

[(1, 42993447), (3, 14331149), (7, 6141921), (19, 2262813), (21, 2047307), (57, 754271), (133, 323259), (277, 155211), (389, 110523), (399, 107753), (831, 51737), (1167, 36841), (1939, 22173), (2723, 15789), (5263, 8169), (5817, 7391)]