205654515

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{42979}}^1$

素因数の和:43027

約数の個数: 32

約数和(自身を含む): 371347200

約数和(自身を除く): 165692685

約数列:

[1, 3, 5, 11, 15, 29, 33, 55, 87, 145, 165, 319, 435, 957, 1595, 4785, 42979, 128937, 214895, 472769, 644685, 1246391, 1418307, 2363845, 3739173, 6231955, 7091535, 13710301, 18695865, 41130903, 68551505, 205654515]

約数ペア:

[(1, 205654515), (3, 68551505), (5, 41130903), (11, 18695865), (15, 13710301), (29, 7091535), (33, 6231955), (55, 3739173), (87, 2363845), (145, 1418307), (165, 1246391), (319, 644685), (435, 472769), (957, 214895), (1595, 128937), (4785, 42979)]