2819295

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:132

約数の個数: 48

約数和(自身を含む): 5271552

約数和(自身を除く): 2452257

約数列:

[1, 3, 5, 9, 15, 31, 43, 45, 47, 93, 129, 141, 155, 215, 235, 279, 387, 423, 465, 645, 705, 1333, 1395, 1457, 1935, 2021, 2115, 3999, 4371, 6063, 6665, 7285, 10105, 11997, 13113, 18189, 19995, 21855, 30315, 59985, 62651, 65565, 90945, 187953, 313255, 563859, 939765, 2819295]

約数ペア:

[(1, 2819295), (3, 939765), (5, 563859), (9, 313255), (15, 187953), (31, 90945), (43, 65565), (45, 62651), (47, 59985), (93, 30315), (129, 21855), (141, 19995), (155, 18189), (215, 13113), (235, 11997), (279, 10105), (387, 7285), (423, 6665), (465, 6063), (645, 4371), (705, 3999), (1333, 2115), (1395, 2021), (1457, 1935)]