201919473

素因数分解:

$3^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{7577}}^1$

素因数の和:7643

約数の個数: 40

約数和(自身を含む): 352104192

約数和(自身を除く): 150184719

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 81, 141, 189, 329, 423, 567, 987, 1269, 2961, 3807, 7577, 8883, 22731, 26649, 53039, 68193, 159117, 204579, 356119, 477351, 613737, 1068357, 1432053, 2492833, 3205071, 4296159, 7478499, 9615213, 22435497, 28845639, 67306491, 201919473]

約数ペア:

[(1, 201919473), (3, 67306491), (7, 28845639), (9, 22435497), (21, 9615213), (27, 7478499), (47, 4296159), (63, 3205071), (81, 2492833), (141, 1432053), (189, 1068357), (329, 613737), (423, 477351), (567, 356119), (987, 204579), (1269, 159117), (2961, 68193), (3807, 53039), (7577, 26649), (8883, 22731)]