80493705

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61681}}^1$

素因数の和:61721

約数の個数: 24

約数和(自身を含む): 144335880

約数和(自身を除く): 63842175

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 61681, 185043, 308405, 555129, 925215, 1788749, 2775645, 5366247, 8943745, 16098741, 26831235, 80493705]

約数ペア:

[(1, 80493705), (3, 26831235), (5, 16098741), (9, 8943745), (15, 5366247), (29, 2775645), (45, 1788749), (87, 925215), (145, 555129), (261, 308405), (435, 185043), (1305, 61681)]