2841855

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:223

約数の個数: 32

約数和(自身を含む): 4838400

約数和(自身を除く): 1996545

約数列:

[1, 3, 5, 15, 29, 47, 87, 139, 141, 145, 235, 417, 435, 695, 705, 1363, 2085, 4031, 4089, 6533, 6815, 12093, 19599, 20155, 20445, 32665, 60465, 97995, 189457, 568371, 947285, 2841855]

約数ペア:

[(1, 2841855), (3, 947285), (5, 568371), (15, 189457), (29, 97995), (47, 60465), (87, 32665), (139, 20445), (141, 20155), (145, 19599), (235, 12093), (417, 6815), (435, 6533), (695, 4089), (705, 4031), (1363, 2085)]