121805289

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1669}}^1$

素因数の和:1751

約数の個数: 40

約数和(自身を含む): 196412040

約数和(自身を除く): 74606751

約数列:

[1, 3, 9, 17, 27, 51, 53, 81, 153, 159, 459, 477, 901, 1377, 1431, 1669, 2703, 4293, 5007, 8109, 15021, 24327, 28373, 45063, 72981, 85119, 88457, 135189, 255357, 265371, 766071, 796113, 1503769, 2298213, 2388339, 4511307, 7165017, 13533921, 40601763, 121805289]

約数ペア:

[(1, 121805289), (3, 40601763), (9, 13533921), (17, 7165017), (27, 4511307), (51, 2388339), (53, 2298213), (81, 1503769), (153, 796113), (159, 766071), (459, 265371), (477, 255357), (901, 135189), (1377, 88457), (1431, 85119), (1669, 72981), (2703, 45063), (4293, 28373), (5007, 24327), (8109, 15021)]