80270991

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{521}}^1$

素因数の和:616

約数の個数: 48

約数和(自身を含む): 131919840

約数和(自身を除く): 51648849

約数列:

[1, 3, 9, 17, 19, 51, 53, 57, 153, 159, 171, 323, 477, 521, 901, 969, 1007, 1563, 2703, 2907, 3021, 4689, 8109, 8857, 9063, 9899, 17119, 26571, 27613, 29697, 51357, 79713, 82839, 89091, 154071, 168283, 248517, 469421, 504849, 524647, 1408263, 1514547, 1573941, 4224789, 4721823, 8918999, 26756997, 80270991]

約数ペア:

[(1, 80270991), (3, 26756997), (9, 8918999), (17, 4721823), (19, 4224789), (51, 1573941), (53, 1514547), (57, 1408263), (153, 524647), (159, 504849), (171, 469421), (323, 248517), (477, 168283), (521, 154071), (901, 89091), (969, 82839), (1007, 79713), (1563, 51357), (2703, 29697), (2907, 27613), (3021, 26571), (4689, 17119), (8109, 9899), (8857, 9063)]