461690505

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{131}}^1\times {\mathrm{271}}^1$

素因数の和:447

約数の個数: 72

約数和(自身を含む): 859757184

約数和(自身を除く): 398066679

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 131, 153, 255, 271, 289, 393, 655, 765, 813, 867, 1179, 1355, 1445, 1965, 2227, 2439, 2601, 4065, 4335, 4607, 5895, 6681, 11135, 12195, 13005, 13821, 20043, 23035, 33405, 35501, 37859, 41463, 69105, 78319, 100215, 106503, 113577, 177505, 189295, 207315, 234957, 319509, 340731, 391595, 532515, 567885, 603517, 704871, 1174785, 1597545, 1703655, 1810551, 3017585, 3524355, 5431653, 9052755, 10259789, 27158265, 30779367, 51298945, 92338101, 153896835, 461690505]

約数ペア:

[(1, 461690505), (3, 153896835), (5, 92338101), (9, 51298945), (15, 30779367), (17, 27158265), (45, 10259789), (51, 9052755), (85, 5431653), (131, 3524355), (153, 3017585), (255, 1810551), (271, 1703655), (289, 1597545), (393, 1174785), (655, 704871), (765, 603517), (813, 567885), (867, 532515), (1179, 391595), (1355, 340731), (1445, 319509), (1965, 234957), (2227, 207315), (2439, 189295), (2601, 177505), (4065, 113577), (4335, 106503), (4607, 100215), (5895, 78319), (6681, 69105), (11135, 41463), (12195, 37859), (13005, 35501), (13821, 33405), (20043, 23035)]