771255

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:240

約数の個数: 32

約数和(自身を含む): 1425600

約数和(自身を除く): 654345

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 197, 261, 435, 591, 783, 985, 1305, 1773, 2955, 3915, 5319, 5713, 8865, 17139, 26595, 28565, 51417, 85695, 154251, 257085, 771255]

約数ペア:

[(1, 771255), (3, 257085), (5, 154251), (9, 85695), (15, 51417), (27, 28565), (29, 26595), (45, 17139), (87, 8865), (135, 5713), (145, 5319), (197, 3915), (261, 2955), (435, 1773), (591, 1305), (783, 985)]