28877541

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{839}}^1$

素因数の和:1009

約数の個数: 32

約数和(自身を含む): 48384000

約数和(自身を除く): 19506459

約数列:

[1, 3, 7, 11, 21, 33, 77, 149, 231, 447, 839, 1043, 1639, 2517, 3129, 4917, 5873, 9229, 11473, 17619, 27687, 34419, 64603, 125011, 193809, 375033, 875077, 1375121, 2625231, 4125363, 9625847, 28877541]

約数ペア:

[(1, 28877541), (3, 9625847), (7, 4125363), (11, 2625231), (21, 1375121), (33, 875077), (77, 375033), (149, 193809), (231, 125011), (447, 64603), (839, 34419), (1043, 27687), (1639, 17619), (2517, 11473), (3129, 9229), (4917, 5873)]