28538631

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{547}}^1$

素因数の和:612

約数の個数: 48

約数和(自身を含む): 49241088

約数和(自身を除く): 20702457

約数列:

[1, 3, 9, 11, 17, 31, 33, 51, 93, 99, 153, 187, 279, 341, 527, 547, 561, 1023, 1581, 1641, 1683, 3069, 4743, 4923, 5797, 6017, 9299, 16957, 17391, 18051, 27897, 50871, 52173, 54153, 83691, 102289, 152613, 186527, 288269, 306867, 559581, 864807, 920601, 1678743, 2594421, 3170959, 9512877, 28538631]

約数ペア:

[(1, 28538631), (3, 9512877), (9, 3170959), (11, 2594421), (17, 1678743), (31, 920601), (33, 864807), (51, 559581), (93, 306867), (99, 288269), (153, 186527), (187, 152613), (279, 102289), (341, 83691), (527, 54153), (547, 52173), (561, 50871), (1023, 27897), (1581, 18051), (1641, 17391), (1683, 16957), (3069, 9299), (4743, 6017), (4923, 5797)]