215960013

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{1033}}^1$

素因数の和:1163

約数の個数: 40

約数和(自身を含む): 337807800

約数和(自身を除く): 121847787

約数列:

[1, 3, 9, 27, 29, 81, 87, 89, 261, 267, 783, 801, 1033, 2349, 2403, 2581, 3099, 7209, 7743, 9297, 23229, 27891, 29957, 69687, 83673, 89871, 91937, 209061, 269613, 275811, 808839, 827433, 2426517, 2482299, 2666173, 7446897, 7998519, 23995557, 71986671, 215960013]

約数ペア:

[(1, 215960013), (3, 71986671), (9, 23995557), (27, 7998519), (29, 7446897), (81, 2666173), (87, 2482299), (89, 2426517), (261, 827433), (267, 808839), (783, 275811), (801, 269613), (1033, 209061), (2349, 91937), (2403, 89871), (2581, 83673), (3099, 69687), (7209, 29957), (7743, 27891), (9297, 23229)]