28924935

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:288

約数の個数: 64

約数和(自身を含む): 54136320

約数和(自身を除く): 25211385

約数列:

[1, 3, 5, 13, 15, 19, 37, 39, 57, 65, 95, 111, 185, 195, 211, 247, 285, 481, 555, 633, 703, 741, 1055, 1235, 1443, 2109, 2405, 2743, 3165, 3515, 3705, 4009, 7215, 7807, 8229, 9139, 10545, 12027, 13715, 20045, 23421, 27417, 39035, 41145, 45695, 52117, 60135, 101491, 117105, 137085, 148333, 156351, 260585, 304473, 444999, 507455, 741665, 781755, 1522365, 1928329, 2224995, 5784987, 9641645, 28924935]

約数ペア:

[(1, 28924935), (3, 9641645), (5, 5784987), (13, 2224995), (15, 1928329), (19, 1522365), (37, 781755), (39, 741665), (57, 507455), (65, 444999), (95, 304473), (111, 260585), (185, 156351), (195, 148333), (211, 137085), (247, 117105), (285, 101491), (481, 60135), (555, 52117), (633, 45695), (703, 41145), (741, 39035), (1055, 27417), (1235, 23421), (1443, 20045), (2109, 13715), (2405, 12027), (2743, 10545), (3165, 9139), (3515, 8229), (3705, 7807), (4009, 7215)]