12993015

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1$

素因数の和:312

約数の個数: 64

約数和(自身を含む): 26127360

約数和(自身を除く): 13134345

約数列:

[1, 3, 5, 7, 15, 17, 21, 29, 35, 51, 85, 87, 105, 119, 145, 203, 251, 255, 357, 435, 493, 595, 609, 753, 1015, 1255, 1479, 1757, 1785, 2465, 3045, 3451, 3765, 4267, 5271, 7279, 7395, 8785, 10353, 12801, 17255, 21335, 21837, 26355, 29869, 36395, 50953, 51765, 64005, 89607, 109185, 123743, 149345, 152859, 254765, 371229, 448035, 618715, 764295, 866201, 1856145, 2598603, 4331005, 12993015]

約数ペア:

[(1, 12993015), (3, 4331005), (5, 2598603), (7, 1856145), (15, 866201), (17, 764295), (21, 618715), (29, 448035), (35, 371229), (51, 254765), (85, 152859), (87, 149345), (105, 123743), (119, 109185), (145, 89607), (203, 64005), (251, 51765), (255, 50953), (357, 36395), (435, 29869), (493, 26355), (595, 21837), (609, 21335), (753, 17255), (1015, 12801), (1255, 10353), (1479, 8785), (1757, 7395), (1785, 7279), (2465, 5271), (3045, 4267), (3451, 3765)]