28873395

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{547}}^1$

素因数の和:601

約数の個数: 64

約数和(自身を含む): 56816640

約数和(自身を除く): 27943245

約数列:

[1, 3, 5, 9, 15, 17, 23, 27, 45, 51, 69, 85, 115, 135, 153, 207, 255, 345, 391, 459, 547, 621, 765, 1035, 1173, 1641, 1955, 2295, 2735, 3105, 3519, 4923, 5865, 8205, 9299, 10557, 12581, 14769, 17595, 24615, 27897, 37743, 46495, 52785, 62905, 73845, 83691, 113229, 139485, 188715, 213877, 251073, 339687, 418455, 566145, 641631, 1069385, 1255365, 1698435, 1924893, 3208155, 5774679, 9624465, 28873395]

約数ペア:

[(1, 28873395), (3, 9624465), (5, 5774679), (9, 3208155), (15, 1924893), (17, 1698435), (23, 1255365), (27, 1069385), (45, 641631), (51, 566145), (69, 418455), (85, 339687), (115, 251073), (135, 213877), (153, 188715), (207, 139485), (255, 113229), (345, 83691), (391, 73845), (459, 62905), (547, 52785), (621, 46495), (765, 37743), (1035, 27897), (1173, 24615), (1641, 17595), (1955, 14769), (2295, 12581), (2735, 10557), (3105, 9299), (3519, 8205), (4923, 5865)]