2774655

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:78

約数の個数: 80

約数和(自身を含む): 5854464

約数和(自身を除く): 3079809

約数列:

[1, 3, 5, 9, 13, 15, 17, 27, 31, 39, 45, 51, 65, 81, 85, 93, 117, 135, 153, 155, 195, 221, 255, 279, 351, 403, 405, 459, 465, 527, 585, 663, 765, 837, 1053, 1105, 1209, 1377, 1395, 1581, 1755, 1989, 2015, 2295, 2511, 2635, 3315, 3627, 4185, 4743, 5265, 5967, 6045, 6851, 6885, 7905, 9945, 10881, 12555, 14229, 17901, 18135, 20553, 23715, 29835, 32643, 34255, 42687, 54405, 61659, 71145, 89505, 102765, 163215, 184977, 213435, 308295, 554931, 924885, 2774655]

約数ペア:

[(1, 2774655), (3, 924885), (5, 554931), (9, 308295), (13, 213435), (15, 184977), (17, 163215), (27, 102765), (31, 89505), (39, 71145), (45, 61659), (51, 54405), (65, 42687), (81, 34255), (85, 32643), (93, 29835), (117, 23715), (135, 20553), (153, 18135), (155, 17901), (195, 14229), (221, 12555), (255, 10881), (279, 9945), (351, 7905), (403, 6885), (405, 6851), (459, 6045), (465, 5967), (527, 5265), (585, 4743), (663, 4185), (765, 3627), (837, 3315), (1053, 2635), (1105, 2511), (1209, 2295), (1377, 2015), (1395, 1989), (1581, 1755)]