26821665

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:104

約数の個数: 128

約数和(自身を含む): 58060800

約数和(自身を除く): 31239135

約数列:

[1, 3, 5, 9, 13, 15, 17, 27, 29, 31, 39, 45, 51, 65, 85, 87, 93, 117, 135, 145, 153, 155, 195, 221, 255, 261, 279, 351, 377, 403, 435, 459, 465, 493, 527, 585, 663, 765, 783, 837, 899, 1105, 1131, 1209, 1305, 1395, 1479, 1581, 1755, 1885, 1989, 2015, 2295, 2465, 2635, 2697, 3315, 3393, 3627, 3915, 4185, 4437, 4495, 4743, 5655, 5967, 6045, 6409, 6851, 7395, 7905, 8091, 9945, 10179, 10881, 11687, 13311, 13485, 14229, 15283, 16965, 18135, 19227, 20553, 22185, 23715, 24273, 29835, 32045, 34255, 35061, 40455, 45849, 50895, 54405, 57681, 58435, 61659, 66555, 71145, 76415, 96135, 102765, 105183, 121365, 137547, 173043, 175305, 184977, 198679, 229245, 288405, 308295, 315549, 412641, 525915, 596037, 687735, 865215, 924885, 993395, 1577745, 1788111, 2063205, 2980185, 5364333, 8940555, 26821665]

約数ペア:

[(1, 26821665), (3, 8940555), (5, 5364333), (9, 2980185), (13, 2063205), (15, 1788111), (17, 1577745), (27, 993395), (29, 924885), (31, 865215), (39, 687735), (45, 596037), (51, 525915), (65, 412641), (85, 315549), (87, 308295), (93, 288405), (117, 229245), (135, 198679), (145, 184977), (153, 175305), (155, 173043), (195, 137547), (221, 121365), (255, 105183), (261, 102765), (279, 96135), (351, 76415), (377, 71145), (403, 66555), (435, 61659), (459, 58435), (465, 57681), (493, 54405), (527, 50895), (585, 45849), (663, 40455), (765, 35061), (783, 34255), (837, 32045), (899, 29835), (1105, 24273), (1131, 23715), (1209, 22185), (1305, 20553), (1395, 19227), (1479, 18135), (1581, 16965), (1755, 15283), (1885, 14229), (1989, 13485), (2015, 13311), (2295, 11687), (2465, 10881), (2635, 10179), (2697, 9945), (3315, 8091), (3393, 7905), (3627, 7395), (3915, 6851), (4185, 6409), (4437, 6045), (4495, 5967), (4743, 5655)]