421729281

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{4241}}^1$

素因数の和:4406

約数の個数: 32

約数和(自身を含む): 651571200

約数和(自身を除く): 229841919

約数列:

[1, 3, 9, 27, 29, 87, 127, 261, 381, 783, 1143, 3429, 3683, 4241, 11049, 12723, 33147, 38169, 99441, 114507, 122989, 368967, 538607, 1106901, 1615821, 3320703, 4847463, 14542389, 15619603, 46858809, 140576427, 421729281]

約数ペア:

[(1, 421729281), (3, 140576427), (9, 46858809), (27, 15619603), (29, 14542389), (87, 4847463), (127, 3320703), (261, 1615821), (381, 1106901), (783, 538607), (1143, 368967), (3429, 122989), (3683, 114507), (4241, 99441), (11049, 38169), (12723, 33147)]