28103355

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1$

素因数の和:478

約数の個数: 80

約数和(自身を含む): 60217344

約数和(自身を除く): 32113989

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 27, 35, 45, 63, 69, 81, 105, 115, 135, 161, 189, 207, 315, 345, 405, 431, 483, 567, 621, 805, 945, 1035, 1293, 1449, 1863, 2155, 2415, 2835, 3017, 3105, 3879, 4347, 6465, 7245, 9051, 9315, 9913, 11637, 13041, 15085, 19395, 21735, 27153, 29739, 34911, 45255, 49565, 58185, 65205, 69391, 81459, 89217, 135765, 148695, 174555, 208173, 244377, 267651, 346955, 407295, 446085, 624519, 802953, 1040865, 1221885, 1338255, 1873557, 3122595, 4014765, 5620671, 9367785, 28103355]

約数ペア:

[(1, 28103355), (3, 9367785), (5, 5620671), (7, 4014765), (9, 3122595), (15, 1873557), (21, 1338255), (23, 1221885), (27, 1040865), (35, 802953), (45, 624519), (63, 446085), (69, 407295), (81, 346955), (105, 267651), (115, 244377), (135, 208173), (161, 174555), (189, 148695), (207, 135765), (315, 89217), (345, 81459), (405, 69391), (431, 65205), (483, 58185), (567, 49565), (621, 45255), (805, 34911), (945, 29739), (1035, 27153), (1293, 21735), (1449, 19395), (1863, 15085), (2155, 13041), (2415, 11637), (2835, 9913), (3017, 9315), (3105, 9051), (3879, 7245), (4347, 6465)]