72647511

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 106115328

約数和(自身を除く): 33467817

約数列:

[1, 3, 17, 43, 51, 129, 157, 211, 471, 633, 731, 2193, 2669, 3587, 6751, 8007, 9073, 10761, 20253, 27219, 33127, 99381, 114767, 154241, 344301, 462723, 563159, 1424461, 1689477, 4273383, 24215837, 72647511]

約数ペア:

[(1, 72647511), (3, 24215837), (17, 4273383), (43, 1689477), (51, 1424461), (129, 563159), (157, 462723), (211, 344301), (471, 154241), (633, 114767), (731, 99381), (2193, 33127), (2669, 27219), (3587, 20253), (6751, 10761), (8007, 9073)]