720921237

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1\times {\mathrm{1697}}^1$

素因数の和:2005

約数の個数: 32

約数和(自身を含む): 1051401600

約数和(自身を除く): 330480363

約数列:

[1, 3, 19, 29, 57, 87, 257, 551, 771, 1653, 1697, 4883, 5091, 7453, 14649, 22359, 32243, 49213, 96729, 141607, 147639, 424821, 436129, 935047, 1308387, 2805141, 8286451, 12647741, 24859353, 37943223, 240307079, 720921237]

約数ペア:

[(1, 720921237), (3, 240307079), (19, 37943223), (29, 24859353), (57, 12647741), (87, 8286451), (257, 2805141), (551, 1308387), (771, 935047), (1653, 436129), (1697, 424821), (4883, 147639), (5091, 141607), (7453, 96729), (14649, 49213), (22359, 32243)]