51051879

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 81544320

約数和(自身を除く): 30492441

約数列:

[1, 3, 9, 19, 43, 53, 57, 129, 131, 159, 171, 387, 393, 477, 817, 1007, 1179, 2279, 2451, 2489, 3021, 5633, 6837, 6943, 7353, 7467, 9063, 16899, 20511, 20829, 22401, 43301, 50697, 62487, 107027, 129903, 131917, 298549, 321081, 389709, 395751, 895647, 963243, 1187253, 2686941, 5672431, 17017293, 51051879]

約数ペア:

[(1, 51051879), (3, 17017293), (9, 5672431), (19, 2686941), (43, 1187253), (53, 963243), (57, 895647), (129, 395751), (131, 389709), (159, 321081), (171, 298549), (387, 131917), (393, 129903), (477, 107027), (817, 62487), (1007, 50697), (1179, 43301), (2279, 22401), (2451, 20829), (2489, 20511), (3021, 16899), (5633, 9063), (6837, 7467), (6943, 7353)]