26883987

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:140

約数の個数: 64

約数和(自身を含む): 44706816

約数和(自身を除く): 17822829

約数列:

[1, 3, 13, 17, 23, 39, 41, 43, 51, 69, 123, 129, 221, 299, 391, 533, 559, 663, 697, 731, 897, 943, 989, 1173, 1599, 1677, 1763, 2091, 2193, 2829, 2967, 5083, 5289, 9061, 9503, 12259, 12857, 15249, 16031, 16813, 22919, 27183, 28509, 29971, 36777, 38571, 40549, 48093, 50439, 68757, 89913, 121647, 208403, 218569, 389623, 527137, 625209, 655707, 689333, 1168869, 1581411, 2067999, 8961329, 26883987]

約数ペア:

[(1, 26883987), (3, 8961329), (13, 2067999), (17, 1581411), (23, 1168869), (39, 689333), (41, 655707), (43, 625209), (51, 527137), (69, 389623), (123, 218569), (129, 208403), (221, 121647), (299, 89913), (391, 68757), (533, 50439), (559, 48093), (663, 40549), (697, 38571), (731, 36777), (897, 29971), (943, 28509), (989, 27183), (1173, 22919), (1599, 16813), (1677, 16031), (1763, 15249), (2091, 12857), (2193, 12259), (2829, 9503), (2967, 9061), (5083, 5289)]