28861155

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1217}}^1$

素因数の和:1276

約数の個数: 48

約数和(自身を含む): 54722304

約数和(自身を除く): 25861149

約数列:

[1, 3, 5, 9, 15, 17, 31, 45, 51, 85, 93, 153, 155, 255, 279, 465, 527, 765, 1217, 1395, 1581, 2635, 3651, 4743, 6085, 7905, 10953, 18255, 20689, 23715, 37727, 54765, 62067, 103445, 113181, 186201, 188635, 310335, 339543, 565905, 641359, 931005, 1697715, 1924077, 3206795, 5772231, 9620385, 28861155]

約数ペア:

[(1, 28861155), (3, 9620385), (5, 5772231), (9, 3206795), (15, 1924077), (17, 1697715), (31, 931005), (45, 641359), (51, 565905), (85, 339543), (93, 310335), (153, 188635), (155, 186201), (255, 113181), (279, 103445), (465, 62067), (527, 54765), (765, 37727), (1217, 23715), (1395, 20689), (1581, 18255), (2635, 10953), (3651, 7905), (4743, 6085)]