156765231

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{347}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 265794048

約数和(自身を除く): 109028817

約数列:

[1, 3, 7, 9, 21, 63, 71, 101, 213, 303, 347, 497, 639, 707, 909, 1041, 1491, 2121, 2429, 3123, 4473, 6363, 7171, 7287, 21513, 21861, 24637, 35047, 50197, 64539, 73911, 105141, 150591, 172459, 221733, 245329, 315423, 451773, 517377, 735987, 1552131, 2207961, 2488337, 7465011, 17418359, 22395033, 52255077, 156765231]

約数ペア:

[(1, 156765231), (3, 52255077), (7, 22395033), (9, 17418359), (21, 7465011), (63, 2488337), (71, 2207961), (101, 1552131), (213, 735987), (303, 517377), (347, 451773), (497, 315423), (639, 245329), (707, 221733), (909, 172459), (1041, 150591), (1491, 105141), (2121, 73911), (2429, 64539), (3123, 50197), (4473, 35047), (6363, 24637), (7171, 21861), (7287, 21513)]