18219315

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{601}}^1$

素因数の和:699

約数の個数: 32

約数和(自身を含む): 30514176

約数和(自身を除く): 12294861

約数列:

[1, 3, 5, 15, 43, 47, 129, 141, 215, 235, 601, 645, 705, 1803, 2021, 3005, 6063, 9015, 10105, 25843, 28247, 30315, 77529, 84741, 129215, 141235, 387645, 423705, 1214621, 3643863, 6073105, 18219315]

約数ペア:

[(1, 18219315), (3, 6073105), (5, 3643863), (15, 1214621), (43, 423705), (47, 387645), (129, 141235), (141, 129215), (215, 84741), (235, 77529), (601, 30315), (645, 28247), (705, 25843), (1803, 10105), (2021, 9015), (3005, 6063)]