42037947

素因数分解:

$3^4\times 7^1\times {\mathrm{151}}^1\times {\mathrm{491}}^1$

素因数の和:661

約数の個数: 40

約数和(自身を含む): 72390912

約数和(自身を除く): 30352965

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 151, 189, 453, 491, 567, 1057, 1359, 1473, 3171, 3437, 4077, 4419, 9513, 10311, 12231, 13257, 28539, 30933, 39771, 74141, 85617, 92799, 222423, 278397, 518987, 667269, 1556961, 2001807, 4670883, 6005421, 14012649, 42037947]

約数ペア:

[(1, 42037947), (3, 14012649), (7, 6005421), (9, 4670883), (21, 2001807), (27, 1556961), (63, 667269), (81, 518987), (151, 278397), (189, 222423), (453, 92799), (491, 85617), (567, 74141), (1057, 39771), (1359, 30933), (1473, 28539), (3171, 13257), (3437, 12231), (4077, 10311), (4419, 9513)]