728805

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{631}}^1$

素因数の和:657

約数の個数: 32

約数和(自身を含む): 1456128

約数和(自身を除く): 727323

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 631, 1155, 1893, 3155, 4417, 6941, 9465, 13251, 20823, 22085, 34705, 48587, 66255, 104115, 145761, 242935, 728805]

約数ペア:

[(1, 728805), (3, 242935), (5, 145761), (7, 104115), (11, 66255), (15, 48587), (21, 34705), (33, 22085), (35, 20823), (55, 13251), (77, 9465), (105, 6941), (165, 4417), (231, 3155), (385, 1893), (631, 1155)]