27791015

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{79}}^1$

素因数の和:156

約数の個数: 48

約数和(自身を含む): 42470400

約数和(自身を除く): 14679385

約数列:

[1, 5, 7, 19, 23, 35, 79, 95, 115, 133, 161, 395, 437, 529, 553, 665, 805, 1501, 1817, 2185, 2645, 2765, 3059, 3703, 7505, 9085, 10051, 10507, 12719, 15295, 18515, 34523, 41791, 50255, 52535, 63595, 70357, 172615, 208955, 241661, 292537, 351785, 794029, 1208305, 1462685, 3970145, 5558203, 27791015]

約数ペア:

[(1, 27791015), (5, 5558203), (7, 3970145), (19, 1462685), (23, 1208305), (35, 794029), (79, 351785), (95, 292537), (115, 241661), (133, 208955), (161, 172615), (395, 70357), (437, 63595), (529, 52535), (553, 50255), (665, 41791), (805, 34523), (1501, 18515), (1817, 15295), (2185, 12719), (2645, 10507), (2765, 10051), (3059, 9085), (3703, 7505)]