28586925

素因数分解:

$3^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{743}}^1$

素因数の和:784

約数の個数: 60

約数和(自身を含む): 55814880

約数和(自身を除く): 27227955

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 81, 95, 135, 171, 225, 285, 405, 475, 513, 675, 743, 855, 1425, 1539, 2025, 2229, 2565, 3715, 4275, 6687, 7695, 11145, 12825, 14117, 18575, 20061, 33435, 38475, 42351, 55725, 60183, 70585, 100305, 127053, 167175, 211755, 300915, 352925, 381159, 501525, 635265, 1058775, 1143477, 1504575, 1905795, 3176325, 5717385, 9528975, 28586925]

約数ペア:

[(1, 28586925), (3, 9528975), (5, 5717385), (9, 3176325), (15, 1905795), (19, 1504575), (25, 1143477), (27, 1058775), (45, 635265), (57, 501525), (75, 381159), (81, 352925), (95, 300915), (135, 211755), (171, 167175), (225, 127053), (285, 100305), (405, 70585), (475, 60183), (513, 55725), (675, 42351), (743, 38475), (855, 33435), (1425, 20061), (1539, 18575), (2025, 14117), (2229, 12825), (2565, 11145), (3715, 7695), (4275, 6687)]