77978055

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{1289}}^1$

素因数の和:1443

約数の個数: 32

約数和(自身を含む): 129412800

約数和(自身を除く): 51434745

約数列:

[1, 3, 5, 15, 37, 109, 111, 185, 327, 545, 555, 1289, 1635, 3867, 4033, 6445, 12099, 19335, 20165, 47693, 60495, 140501, 143079, 238465, 421503, 702505, 715395, 2107515, 5198537, 15595611, 25992685, 77978055]

約数ペア:

[(1, 77978055), (3, 25992685), (5, 15595611), (15, 5198537), (37, 2107515), (109, 715395), (111, 702505), (185, 421503), (327, 238465), (545, 143079), (555, 140501), (1289, 60495), (1635, 47693), (3867, 20165), (4033, 19335), (6445, 12099)]