42871977

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:211

約数の個数: 64

約数和(自身を含む): 72990720

約数和(自身を除く): 30118743

約数列:

[1, 3, 9, 17, 23, 27, 31, 51, 69, 93, 131, 153, 207, 279, 391, 393, 459, 527, 621, 713, 837, 1173, 1179, 1581, 2139, 2227, 3013, 3519, 3537, 4061, 4743, 6417, 6681, 9039, 10557, 12121, 12183, 14229, 19251, 20043, 27117, 36363, 36549, 51221, 60129, 69037, 81351, 93403, 109089, 109647, 153663, 207111, 280209, 327267, 460989, 621333, 840627, 1382967, 1587851, 1863999, 2521881, 4763553, 14290659, 42871977]

約数ペア:

[(1, 42871977), (3, 14290659), (9, 4763553), (17, 2521881), (23, 1863999), (27, 1587851), (31, 1382967), (51, 840627), (69, 621333), (93, 460989), (131, 327267), (153, 280209), (207, 207111), (279, 153663), (391, 109647), (393, 109089), (459, 93403), (527, 81351), (621, 69037), (713, 60129), (837, 51221), (1173, 36549), (1179, 36363), (1581, 27117), (2139, 20043), (2227, 19251), (3013, 14229), (3519, 12183), (3537, 12121), (4061, 10557), (4743, 9039), (6417, 6681)]