423779391

素因数分解:

$3^3\times 7^2\times {\mathrm{320317}}^1$

素因数の和:320340

約数の個数: 24

約数和(自身を含む): 730325040

約数和(自身を除く): 306545649

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 320317, 960951, 2242219, 2882853, 6726657, 8648559, 15695533, 20179971, 47086599, 60539913, 141259797, 423779391]

約数ペア:

[(1, 423779391), (3, 141259797), (7, 60539913), (9, 47086599), (21, 20179971), (27, 15695533), (49, 8648559), (63, 6726657), (147, 2882853), (189, 2242219), (441, 960951), (1323, 320317)]