217876965

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{431}}^1\times {\mathrm{503}}^1$

素因数の和:1009

約数の個数: 32

約数和(自身を含む): 355332096

約数和(自身を除く): 137455131

約数列:

[1, 3, 5, 15, 67, 201, 335, 431, 503, 1005, 1293, 1509, 2155, 2515, 6465, 7545, 28877, 33701, 86631, 101103, 144385, 168505, 216793, 433155, 505515, 650379, 1083965, 3251895, 14525131, 43575393, 72625655, 217876965]

約数ペア:

[(1, 217876965), (3, 72625655), (5, 43575393), (15, 14525131), (67, 3251895), (201, 1083965), (335, 650379), (431, 505515), (503, 433155), (1005, 216793), (1293, 168505), (1509, 144385), (2155, 101103), (2515, 86631), (6465, 33701), (7545, 28877)]