201985371

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{168743}}^1$

素因数の和:168775

約数の個数: 24

約数和(自身を含む): 350987520

約数和(自身を除く): 149002149

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 168743, 506229, 1181201, 1518687, 3206117, 3543603, 9618351, 10630809, 22442819, 28855053, 67328457, 201985371]

約数ペア:

[(1, 201985371), (3, 67328457), (7, 28855053), (9, 22442819), (19, 10630809), (21, 9618351), (57, 3543603), (63, 3206117), (133, 1518687), (171, 1181201), (399, 506229), (1197, 168743)]