28263537

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1$

素因数の和:214

約数の個数: 48

約数和(自身を含む): 45826560

約数和(自身を除く): 17563023

約数列:

[1, 3, 9, 17, 31, 51, 59, 93, 101, 153, 177, 279, 303, 527, 531, 909, 1003, 1581, 1717, 1829, 3009, 3131, 4743, 5151, 5487, 5959, 9027, 9393, 15453, 16461, 17877, 28179, 31093, 53227, 53631, 93279, 101303, 159681, 184729, 279837, 303909, 479043, 554187, 911727, 1662561, 3140393, 9421179, 28263537]

約数ペア:

[(1, 28263537), (3, 9421179), (9, 3140393), (17, 1662561), (31, 911727), (51, 554187), (59, 479043), (93, 303909), (101, 279837), (153, 184729), (177, 159681), (279, 101303), (303, 93279), (527, 53631), (531, 53227), (909, 31093), (1003, 28179), (1581, 17877), (1717, 16461), (1829, 15453), (3009, 9393), (3131, 9027), (4743, 5959), (5151, 5487)]