20171728215

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{5152421}}^1$

素因数の和:5152464

約数の個数: 32

約数和(自身を含む): 37097438400

約数和(自身を除く): 16925710185

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 1305, 3915, 5152421, 15457263, 25762105, 46371789, 77286315, 139115367, 149420209, 231858945, 448260627, 695576835, 747101045, 1344781881, 2241303135, 4034345643, 6723909405, 20171728215]

約数ペア:

[(1, 20171728215), (3, 6723909405), (5, 4034345643), (9, 2241303135), (15, 1344781881), (27, 747101045), (29, 695576835), (45, 448260627), (87, 231858945), (135, 149420209), (145, 139115367), (261, 77286315), (435, 46371789), (783, 25762105), (1305, 15457263), (3915, 5152421)]