2788897995

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{19301}}^1$

素因数の和:19357

約数の個数: 72

約数和(自身を含む): 5510334960

約数和(自身を除く): 2721436965

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 95, 117, 169, 171, 195, 247, 285, 507, 585, 741, 845, 855, 1235, 1521, 2223, 2535, 3211, 3705, 7605, 9633, 11115, 16055, 19301, 28899, 48165, 57903, 96505, 144495, 173709, 250913, 289515, 366719, 752739, 868545, 1100157, 1254565, 1833595, 2258217, 3261869, 3300471, 3763695, 4767347, 5500785, 9785607, 11291085, 14302041, 16309345, 16502355, 23836735, 29356821, 42906123, 48928035, 61975511, 71510205, 146784105, 185926533, 214530615, 309877555, 557779599, 929632665, 2788897995]

約数ペア:

[(1, 2788897995), (3, 929632665), (5, 557779599), (9, 309877555), (13, 214530615), (15, 185926533), (19, 146784105), (39, 71510205), (45, 61975511), (57, 48928035), (65, 42906123), (95, 29356821), (117, 23836735), (169, 16502355), (171, 16309345), (195, 14302041), (247, 11291085), (285, 9785607), (507, 5500785), (585, 4767347), (741, 3763695), (845, 3300471), (855, 3261869), (1235, 2258217), (1521, 1833595), (2223, 1254565), (2535, 1100157), (3211, 868545), (3705, 752739), (7605, 366719), (9633, 289515), (11115, 250913), (16055, 173709), (19301, 144495), (28899, 96505), (48165, 57903)]