208032387

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 308408832

約数和(自身を除く): 100376445

約数列:

[1, 3, 19, 47, 57, 61, 67, 141, 183, 201, 361, 893, 1083, 1159, 1273, 2679, 2867, 3149, 3477, 3819, 4087, 8601, 9447, 12261, 16967, 22021, 24187, 50901, 54473, 59831, 66063, 72561, 77653, 163419, 179493, 192089, 232959, 576267, 1034987, 1136789, 1475407, 3104961, 3410367, 3649691, 4426221, 10949073, 69344129, 208032387]

約数ペア:

[(1, 208032387), (3, 69344129), (19, 10949073), (47, 4426221), (57, 3649691), (61, 3410367), (67, 3104961), (141, 1475407), (183, 1136789), (201, 1034987), (361, 576267), (893, 232959), (1083, 192089), (1159, 179493), (1273, 163419), (2679, 77653), (2867, 72561), (3149, 66063), (3477, 59831), (3819, 54473), (4087, 50901), (8601, 24187), (9447, 22021), (12261, 16967)]