201916821

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{283}}^1$

素因数の和:513

約数の個数: 32

約数和(自身を含む): 286272000

約数和(自身を除く): 84355179

約数列:

[1, 3, 29, 59, 87, 139, 177, 283, 417, 849, 1711, 4031, 5133, 8201, 8207, 12093, 16697, 24603, 24621, 39337, 50091, 118011, 237829, 484213, 713487, 1140773, 1452639, 2320883, 3422319, 6962649, 67305607, 201916821]

約数ペア:

[(1, 201916821), (3, 67305607), (29, 6962649), (59, 3422319), (87, 2320883), (139, 1452639), (177, 1140773), (283, 713487), (417, 484213), (849, 237829), (1711, 118011), (4031, 50091), (5133, 39337), (8201, 24621), (8207, 24603), (12093, 16697)]