220163751

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{2003}}^1$

素因数の和:2097

約数の個数: 40

約数和(自身を含む): 349176960

約数和(自身を除く): 129013209

約数列:

[1, 3, 9, 23, 27, 59, 69, 81, 177, 207, 531, 621, 1357, 1593, 1863, 2003, 4071, 4779, 6009, 12213, 18027, 36639, 46069, 54081, 109917, 118177, 138207, 162243, 354531, 414621, 1063593, 1243863, 2718071, 3190779, 3731589, 8154213, 9572337, 24462639, 73387917, 220163751]

約数ペア:

[(1, 220163751), (3, 73387917), (9, 24462639), (23, 9572337), (27, 8154213), (59, 3731589), (69, 3190779), (81, 2718071), (177, 1243863), (207, 1063593), (531, 414621), (621, 354531), (1357, 162243), (1593, 138207), (1863, 118177), (2003, 109917), (4071, 54081), (4779, 46069), (6009, 36639), (12213, 18027)]