179757921

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{283}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 291384000

約数和(自身を除く): 111626079

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 149, 203, 283, 447, 609, 849, 1043, 1421, 1981, 3129, 4263, 4321, 5943, 7301, 8207, 12963, 13867, 21903, 24621, 30247, 41601, 42167, 57449, 90741, 126501, 172347, 211729, 295169, 402143, 635187, 885507, 1206429, 1222843, 2066183, 3668529, 6198549, 8559901, 25679703, 59919307, 179757921]

約数ペア:

[(1, 179757921), (3, 59919307), (7, 25679703), (21, 8559901), (29, 6198549), (49, 3668529), (87, 2066183), (147, 1222843), (149, 1206429), (203, 885507), (283, 635187), (447, 402143), (609, 295169), (849, 211729), (1043, 172347), (1421, 126501), (1981, 90741), (3129, 57449), (4263, 42167), (4321, 41601), (5943, 30247), (7301, 24621), (8207, 21903), (12963, 13867)]