20171955105

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1\times {\mathrm{1013}}^1$

素因数の和:1359

約数の個数: 96

約数和(自身を含む): 36832828032

約数和(自身を除く): 16660872927

約数列:

[1, 3, 5, 9, 15, 41, 43, 45, 123, 129, 205, 215, 251, 369, 387, 615, 645, 753, 1013, 1255, 1763, 1845, 1935, 2259, 3039, 3765, 5065, 5289, 8815, 9117, 10291, 10793, 11295, 15195, 15867, 26445, 30873, 32379, 41533, 43559, 45585, 51455, 53965, 79335, 92619, 97137, 124599, 130677, 154365, 161895, 207665, 217795, 254263, 373797, 392031, 442513, 463095, 485685, 622995, 653385, 762789, 1271315, 1327539, 1785919, 1868985, 1960155, 2212565, 2288367, 3813945, 3982617, 5357757, 6637695, 8929595, 10424783, 10933309, 11441835, 16073271, 19913085, 26788785, 31274349, 32799927, 52123915, 54666545, 80366355, 93823047, 98399781, 156371745, 163999635, 448265669, 469115235, 491998905, 1344797007, 2241328345, 4034391021, 6723985035, 20171955105]

約数ペア:

[(1, 20171955105), (3, 6723985035), (5, 4034391021), (9, 2241328345), (15, 1344797007), (41, 491998905), (43, 469115235), (45, 448265669), (123, 163999635), (129, 156371745), (205, 98399781), (215, 93823047), (251, 80366355), (369, 54666545), (387, 52123915), (615, 32799927), (645, 31274349), (753, 26788785), (1013, 19913085), (1255, 16073271), (1763, 11441835), (1845, 10933309), (1935, 10424783), (2259, 8929595), (3039, 6637695), (3765, 5357757), (5065, 3982617), (5289, 3813945), (8815, 2288367), (9117, 2212565), (10291, 1960155), (10793, 1868985), (11295, 1785919), (15195, 1327539), (15867, 1271315), (26445, 762789), (30873, 653385), (32379, 622995), (41533, 485685), (43559, 463095), (45585, 442513), (51455, 392031), (53965, 373797), (79335, 254263), (92619, 217795), (97137, 207665), (124599, 161895), (130677, 154365)]