217417785

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{38447}}^1$

素因数の和:38497

約数の個数: 32

約数和(自身を含む): 387555840

約数和(自身を除く): 170138055

約数列:

[1, 3, 5, 13, 15, 29, 39, 65, 87, 145, 195, 377, 435, 1131, 1885, 5655, 38447, 115341, 192235, 499811, 576705, 1114963, 1499433, 2499055, 3344889, 5574815, 7497165, 14494519, 16724445, 43483557, 72472595, 217417785]

約数ペア:

[(1, 217417785), (3, 72472595), (5, 43483557), (13, 16724445), (15, 14494519), (29, 7497165), (39, 5574815), (65, 3344889), (87, 2499055), (145, 1499433), (195, 1114963), (377, 576705), (435, 499811), (1131, 192235), (1885, 115341), (5655, 38447)]