131489169

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{2129}}^1$

素因数の和:2329

約数の個数: 32

約数和(自身を含む): 213477120

約数和(自身を除く): 81987951

約数列:

[1, 3, 7, 17, 21, 51, 119, 173, 357, 519, 1211, 2129, 2941, 3633, 6387, 8823, 14903, 20587, 36193, 44709, 61761, 108579, 253351, 368317, 760053, 1104951, 2578219, 6261389, 7734657, 18784167, 43829723, 131489169]

約数ペア:

[(1, 131489169), (3, 43829723), (7, 18784167), (17, 7734657), (21, 6261389), (51, 2578219), (119, 1104951), (173, 760053), (357, 368317), (519, 253351), (1211, 108579), (2129, 61761), (2941, 44709), (3633, 36193), (6387, 20587), (8823, 14903)]