210012345

素因数分解:

$3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{17881}}^1$

素因数の和:17927

約数の個数: 40

約数和(自身を含む): 389469960

約数和(自身を除く): 179457615

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 261, 405, 435, 783, 1305, 2349, 3915, 11745, 17881, 53643, 89405, 160929, 268215, 482787, 518549, 804645, 1448361, 1555647, 2413935, 2592745, 4666941, 7241805, 7778235, 14000823, 23334705, 42002469, 70004115, 210012345]

約数ペア:

[(1, 210012345), (3, 70004115), (5, 42002469), (9, 23334705), (15, 14000823), (27, 7778235), (29, 7241805), (45, 4666941), (81, 2592745), (87, 2413935), (135, 1555647), (145, 1448361), (261, 804645), (405, 518549), (435, 482787), (783, 268215), (1305, 160929), (2349, 89405), (3915, 53643), (11745, 17881)]