12827925

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:171

約数の個数: 72

約数和(自身を含む): 25766208

約数和(自身を除く): 12938283

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 71, 73, 75, 99, 165, 213, 219, 225, 275, 355, 365, 495, 639, 657, 781, 803, 825, 1065, 1095, 1775, 1825, 2343, 2409, 2475, 3195, 3285, 3905, 4015, 5183, 5325, 5475, 7029, 7227, 11715, 12045, 15549, 15975, 16425, 19525, 20075, 25915, 35145, 36135, 46647, 57013, 58575, 60225, 77745, 129575, 171039, 175725, 180675, 233235, 285065, 388725, 513117, 855195, 1166175, 1425325, 2565585, 4275975, 12827925]

約数ペア:

[(1, 12827925), (3, 4275975), (5, 2565585), (9, 1425325), (11, 1166175), (15, 855195), (25, 513117), (33, 388725), (45, 285065), (55, 233235), (71, 180675), (73, 175725), (75, 171039), (99, 129575), (165, 77745), (213, 60225), (219, 58575), (225, 57013), (275, 46647), (355, 36135), (365, 35145), (495, 25915), (639, 20075), (657, 19525), (781, 16425), (803, 15975), (825, 15549), (1065, 12045), (1095, 11715), (1775, 7227), (1825, 7029), (2343, 5475), (2409, 5325), (2475, 5183), (3195, 4015), (3285, 3905)]