1280996835

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{461}}^1\times {\mathrm{641}}^1$

素因数の和:1144

約数の個数: 48

約数和(自身を含む): 2185378272

約数和(自身を除く): 904381437

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 289, 461, 641, 867, 1383, 1445, 1923, 2305, 3205, 4335, 6915, 7837, 9615, 10897, 23511, 32691, 39185, 54485, 117555, 133229, 163455, 185249, 295501, 399687, 555747, 666145, 886503, 926245, 1477505, 1998435, 2778735, 4432515, 5023517, 15070551, 25117585, 75352755, 85399789, 256199367, 426998945, 1280996835]

約数ペア:

[(1, 1280996835), (3, 426998945), (5, 256199367), (15, 85399789), (17, 75352755), (51, 25117585), (85, 15070551), (255, 5023517), (289, 4432515), (461, 2778735), (641, 1998435), (867, 1477505), (1383, 926245), (1445, 886503), (1923, 666145), (2305, 555747), (3205, 399687), (4335, 295501), (6915, 185249), (7837, 163455), (9615, 133229), (10897, 117555), (23511, 54485), (32691, 39185)]