861360165

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{107}}^1\times {\mathrm{619}}^1$

素因数の和:771

約数の個数: 72

約数和(自身を含む): 1603424160

約数和(自身を除く): 742063995

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 107, 153, 255, 289, 321, 535, 619, 765, 867, 963, 1445, 1605, 1819, 1857, 2601, 3095, 4335, 4815, 5457, 5571, 9095, 9285, 10523, 13005, 16371, 27285, 27855, 30923, 31569, 52615, 66233, 81855, 92769, 94707, 154615, 157845, 178891, 198699, 278307, 331165, 463845, 473535, 536673, 596097, 894455, 993495, 1125961, 1391535, 1610019, 2683365, 2980485, 3377883, 5629805, 8050095, 10133649, 16889415, 19141337, 50668245, 57424011, 95706685, 172272033, 287120055, 861360165]

約数ペア:

[(1, 861360165), (3, 287120055), (5, 172272033), (9, 95706685), (15, 57424011), (17, 50668245), (45, 19141337), (51, 16889415), (85, 10133649), (107, 8050095), (153, 5629805), (255, 3377883), (289, 2980485), (321, 2683365), (535, 1610019), (619, 1391535), (765, 1125961), (867, 993495), (963, 894455), (1445, 596097), (1605, 536673), (1819, 473535), (1857, 463845), (2601, 331165), (3095, 278307), (4335, 198699), (4815, 178891), (5457, 157845), (5571, 154615), (9095, 94707), (9285, 92769), (10523, 81855), (13005, 66233), (16371, 52615), (27285, 31569), (27855, 30923)]