8457885

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:135

約数の個数: 64

約数和(自身を含む): 16220160

約数和(自身を除く): 7762275

約数列:

[1, 3, 5, 9, 15, 27, 31, 43, 45, 47, 93, 129, 135, 141, 155, 215, 235, 279, 387, 423, 465, 645, 705, 837, 1161, 1269, 1333, 1395, 1457, 1935, 2021, 2115, 3999, 4185, 4371, 5805, 6063, 6345, 6665, 7285, 10105, 11997, 13113, 18189, 19995, 21855, 30315, 35991, 39339, 54567, 59985, 62651, 65565, 90945, 179955, 187953, 196695, 272835, 313255, 563859, 939765, 1691577, 2819295, 8457885]

約数ペア:

[(1, 8457885), (3, 2819295), (5, 1691577), (9, 939765), (15, 563859), (27, 313255), (31, 272835), (43, 196695), (45, 187953), (47, 179955), (93, 90945), (129, 65565), (135, 62651), (141, 59985), (155, 54567), (215, 39339), (235, 35991), (279, 30315), (387, 21855), (423, 19995), (465, 18189), (645, 13113), (705, 11997), (837, 10105), (1161, 7285), (1269, 6665), (1333, 6345), (1395, 6063), (1457, 5805), (1935, 4371), (2021, 4185), (2115, 3999)]