78430761

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{193}}^1$

素因数の和:407

約数の個数: 40

約数和(自身を含む): 122534280

約数和(自身を除く): 44103519

約数列:

[1, 3, 9, 27, 29, 81, 87, 173, 193, 261, 519, 579, 783, 1557, 1737, 2349, 4671, 5017, 5211, 5597, 14013, 15051, 15633, 16791, 33389, 45153, 50373, 100167, 135459, 151119, 300501, 406377, 453357, 901503, 968281, 2704509, 2904843, 8714529, 26143587, 78430761]

約数ペア:

[(1, 78430761), (3, 26143587), (9, 8714529), (27, 2904843), (29, 2704509), (81, 968281), (87, 901503), (173, 453357), (193, 406377), (261, 300501), (519, 151119), (579, 135459), (783, 100167), (1557, 50373), (1737, 45153), (2349, 33389), (4671, 16791), (5017, 15633), (5211, 15051), (5597, 14013)]