745323945

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{673}}^1$

素因数の和:842

約数の個数: 64

約数和(自身を含む): 1306761984

約数和(自身を除く): 561438039

約数列:

[1, 3, 5, 15, 17, 43, 51, 85, 101, 129, 215, 255, 303, 505, 645, 673, 731, 1515, 1717, 2019, 2193, 3365, 3655, 4343, 5151, 8585, 10095, 10965, 11441, 13029, 21715, 25755, 28939, 34323, 57205, 65145, 67973, 73831, 86817, 144695, 171615, 203919, 221493, 339865, 369155, 434085, 491963, 1019595, 1107465, 1155541, 1475889, 2459815, 2922839, 3466623, 5777705, 7379445, 8768517, 14614195, 17333115, 43842585, 49688263, 149064789, 248441315, 745323945]

約数ペア:

[(1, 745323945), (3, 248441315), (5, 149064789), (15, 49688263), (17, 43842585), (43, 17333115), (51, 14614195), (85, 8768517), (101, 7379445), (129, 5777705), (215, 3466623), (255, 2922839), (303, 2459815), (505, 1475889), (645, 1155541), (673, 1107465), (731, 1019595), (1515, 491963), (1717, 434085), (2019, 369155), (2193, 339865), (3365, 221493), (3655, 203919), (4343, 171615), (5151, 144695), (8585, 86817), (10095, 73831), (10965, 67973), (11441, 65145), (13029, 57205), (21715, 34323), (25755, 28939)]