206876475

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{661}}^1$

素因数の和:797

約数の個数: 72

約数和(自身を含む): 403380432

約数和(自身を除く): 196503957

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 107, 117, 195, 225, 321, 325, 535, 585, 661, 963, 975, 1391, 1605, 1983, 2675, 2925, 3305, 4173, 4815, 5949, 6955, 8025, 8593, 9915, 12519, 16525, 20865, 24075, 25779, 29745, 34775, 42965, 49575, 62595, 70727, 77337, 104325, 128895, 148725, 212181, 214825, 312975, 353635, 386685, 636543, 644475, 919451, 1060905, 1768175, 1933425, 2758353, 3182715, 4597255, 5304525, 8275059, 13791765, 15913575, 22986275, 41375295, 68958825, 206876475]

約数ペア:

[(1, 206876475), (3, 68958825), (5, 41375295), (9, 22986275), (13, 15913575), (15, 13791765), (25, 8275059), (39, 5304525), (45, 4597255), (65, 3182715), (75, 2758353), (107, 1933425), (117, 1768175), (195, 1060905), (225, 919451), (321, 644475), (325, 636543), (535, 386685), (585, 353635), (661, 312975), (963, 214825), (975, 212181), (1391, 148725), (1605, 128895), (1983, 104325), (2675, 77337), (2925, 70727), (3305, 62595), (4173, 49575), (4815, 42965), (5949, 34775), (6955, 29745), (8025, 25779), (8593, 24075), (9915, 20865), (12519, 16525)]