51813705

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{3331}}^1$

素因数の和:3417

約数の個数: 32

約数和(自身を含む): 89244288

約数和(自身を除く): 37430583

約数列:

[1, 3, 5, 15, 17, 51, 61, 85, 183, 255, 305, 915, 1037, 3111, 3331, 5185, 9993, 15555, 16655, 49965, 56627, 169881, 203191, 283135, 609573, 849405, 1015955, 3047865, 3454247, 10362741, 17271235, 51813705]

約数ペア:

[(1, 51813705), (3, 17271235), (5, 10362741), (15, 3454247), (17, 3047865), (51, 1015955), (61, 849405), (85, 609573), (183, 283135), (255, 203191), (305, 169881), (915, 56627), (1037, 49965), (3111, 16655), (3331, 15555), (5185, 9993)]