199695909

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{3359}}^1$

素因数の和:3537

約数の個数: 32

約数和(自身を含む): 322560000

約数和(自身を除く): 122864091

約数列:

[1, 3, 7, 19, 21, 57, 133, 149, 399, 447, 1043, 2831, 3129, 3359, 8493, 10077, 19817, 23513, 59451, 63821, 70539, 191463, 446747, 500491, 1340241, 1501473, 3503437, 9509329, 10510311, 28527987, 66565303, 199695909]

約数ペア:

[(1, 199695909), (3, 66565303), (7, 28527987), (19, 10510311), (21, 9509329), (57, 3503437), (133, 1501473), (149, 1340241), (399, 500491), (447, 446747), (1043, 191463), (2831, 70539), (3129, 63821), (3359, 59451), (8493, 23513), (10077, 19817)]