55640925

素因数分解:

$3^6\times 5^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:142

約数の個数: 84

約数和(自身を含む): 107341344

約数和(自身を除く): 51700419

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 71, 75, 81, 129, 135, 213, 215, 225, 243, 355, 387, 405, 639, 645, 675, 729, 1065, 1075, 1161, 1215, 1775, 1917, 1935, 2025, 3053, 3195, 3225, 3483, 3645, 5325, 5751, 5805, 6075, 9159, 9585, 9675, 10449, 15265, 15975, 17253, 17415, 18225, 27477, 28755, 29025, 31347, 45795, 47925, 51759, 52245, 76325, 82431, 86265, 87075, 137385, 143775, 156735, 228975, 247293, 258795, 261225, 412155, 431325, 686925, 741879, 783675, 1236465, 1293975, 2060775, 2225637, 3709395, 6182325, 11128185, 18546975, 55640925]

約数ペア:

[(1, 55640925), (3, 18546975), (5, 11128185), (9, 6182325), (15, 3709395), (25, 2225637), (27, 2060775), (43, 1293975), (45, 1236465), (71, 783675), (75, 741879), (81, 686925), (129, 431325), (135, 412155), (213, 261225), (215, 258795), (225, 247293), (243, 228975), (355, 156735), (387, 143775), (405, 137385), (639, 87075), (645, 86265), (675, 82431), (729, 76325), (1065, 52245), (1075, 51759), (1161, 47925), (1215, 45795), (1775, 31347), (1917, 29025), (1935, 28755), (2025, 27477), (3053, 18225), (3195, 17415), (3225, 17253), (3483, 15975), (3645, 15265), (5325, 10449), (5751, 9675), (5805, 9585), (6075, 9159)]