30761985

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1289}}^1$

素因数の和:1377

約数の個数: 32

約数和(自身を含む): 51765120

約数和(自身を除く): 21003135

約数列:

[1, 3, 5, 15, 37, 43, 111, 129, 185, 215, 555, 645, 1289, 1591, 3867, 4773, 6445, 7955, 19335, 23865, 47693, 55427, 143079, 166281, 238465, 277135, 715395, 831405, 2050799, 6152397, 10253995, 30761985]

約数ペア:

[(1, 30761985), (3, 10253995), (5, 6152397), (15, 2050799), (37, 831405), (43, 715395), (111, 277135), (129, 238465), (185, 166281), (215, 143079), (555, 55427), (645, 47693), (1289, 23865), (1591, 19335), (3867, 7955), (4773, 6445)]