28865925

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:243

約数の個数: 72

約数和(自身を含む): 57451680

約数和(自身を除く): 28585755

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 107, 109, 165, 225, 275, 321, 327, 495, 535, 545, 825, 963, 981, 1177, 1199, 1605, 1635, 2475, 2675, 2725, 3531, 3597, 4815, 4905, 5885, 5995, 8025, 8175, 10593, 10791, 11663, 17655, 17985, 24075, 24525, 29425, 29975, 34989, 52965, 53955, 58315, 88275, 89925, 104967, 128293, 174945, 264825, 269775, 291575, 384879, 524835, 641465, 874725, 1154637, 1924395, 2624175, 3207325, 5773185, 9621975, 28865925]

約数ペア:

[(1, 28865925), (3, 9621975), (5, 5773185), (9, 3207325), (11, 2624175), (15, 1924395), (25, 1154637), (33, 874725), (45, 641465), (55, 524835), (75, 384879), (99, 291575), (107, 269775), (109, 264825), (165, 174945), (225, 128293), (275, 104967), (321, 89925), (327, 88275), (495, 58315), (535, 53955), (545, 52965), (825, 34989), (963, 29975), (981, 29425), (1177, 24525), (1199, 24075), (1605, 17985), (1635, 17655), (2475, 11663), (2675, 10791), (2725, 10593), (3531, 8175), (3597, 8025), (4815, 5995), (4905, 5885)]