42087843

素因数分解:

$3^5\times 7^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 73032960

約数和(自身を除く): 30945117

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 109, 189, 227, 243, 327, 567, 681, 763, 981, 1589, 1701, 2043, 2289, 2943, 4767, 6129, 6867, 8829, 14301, 18387, 20601, 24743, 26487, 42903, 55161, 61803, 74229, 128709, 173201, 185409, 222687, 386127, 519603, 668061, 1558809, 2004183, 4676427, 6012549, 14029281, 42087843]

約数ペア:

[(1, 42087843), (3, 14029281), (7, 6012549), (9, 4676427), (21, 2004183), (27, 1558809), (63, 668061), (81, 519603), (109, 386127), (189, 222687), (227, 185409), (243, 173201), (327, 128709), (567, 74229), (681, 61803), (763, 55161), (981, 42903), (1589, 26487), (1701, 24743), (2043, 20601), (2289, 18387), (2943, 14301), (4767, 8829), (6129, 6867)]