821145630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{636547}}^1$

素因数の和:636600

約数の個数: 32

約数和(自身を含む): 2016584064

約数和(自身を除く): 1195438434

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 636547, 1273094, 1909641, 3182735, 3819282, 6365470, 9548205, 19096410, 27371521, 54743042, 82114563, 136857605, 164229126, 273715210, 410572815, 821145630]

約数ペア:

[(1, 821145630), (2, 410572815), (3, 273715210), (5, 164229126), (6, 136857605), (10, 82114563), (15, 54743042), (30, 27371521), (43, 19096410), (86, 9548205), (129, 6365470), (215, 3819282), (258, 3182735), (430, 1909641), (645, 1273094), (1290, 636547)]