12686475

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 22141440

約数和(自身を除く): 9454965

約数列:

[1, 3, 5, 15, 25, 47, 59, 61, 75, 141, 177, 183, 235, 295, 305, 705, 885, 915, 1175, 1475, 1525, 2773, 2867, 3525, 3599, 4425, 4575, 8319, 8601, 10797, 13865, 14335, 17995, 41595, 43005, 53985, 69325, 71675, 89975, 169153, 207975, 215025, 269925, 507459, 845765, 2537295, 4228825, 12686475]

約数ペア:

[(1, 12686475), (3, 4228825), (5, 2537295), (15, 845765), (25, 507459), (47, 269925), (59, 215025), (61, 207975), (75, 169153), (141, 89975), (177, 71675), (183, 69325), (235, 53985), (295, 43005), (305, 41595), (705, 17995), (885, 14335), (915, 13865), (1175, 10797), (1475, 8601), (1525, 8319), (2773, 4575), (2867, 4425), (3525, 3599)]