217468515

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{10061}}^1$

素因数の和:10211

約数の個数: 32

約数和(自身を含む): 382516992

約数和(自身を除く): 165048477

約数列:

[1, 3, 5, 11, 15, 33, 55, 131, 165, 393, 655, 1441, 1965, 4323, 7205, 10061, 21615, 30183, 50305, 110671, 150915, 332013, 553355, 1317991, 1660065, 3953973, 6589955, 14497901, 19769865, 43493703, 72489505, 217468515]

約数ペア:

[(1, 217468515), (3, 72489505), (5, 43493703), (11, 19769865), (15, 14497901), (33, 6589955), (55, 3953973), (131, 1660065), (165, 1317991), (393, 553355), (655, 332013), (1441, 150915), (1965, 110671), (4323, 50305), (7205, 30183), (10061, 21615)]