80102205

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61381}}^1$

素因数の和:61421

約数の個数: 24

約数和(自身を含む): 143633880

約数和(自身を除く): 63531675

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 61381, 184143, 306905, 552429, 920715, 1780049, 2762145, 5340147, 8900245, 16020441, 26700735, 80102205]

約数ペア:

[(1, 80102205), (3, 26700735), (5, 16020441), (9, 8900245), (15, 5340147), (29, 2762145), (45, 1780049), (87, 920715), (145, 552429), (261, 306905), (435, 184143), (1305, 61381)]