2987586

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:327

約数の個数: 48

約数和(自身を含む): 7495488

約数和(自身を除く): 4507902

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 131, 181, 262, 362, 393, 543, 786, 917, 1086, 1179, 1267, 1629, 1834, 2358, 2534, 2751, 3258, 3801, 5502, 7602, 8253, 11403, 16506, 22806, 23711, 47422, 71133, 142266, 165977, 213399, 331954, 426798, 497931, 995862, 1493793, 2987586]

約数ペア:

[(1, 2987586), (2, 1493793), (3, 995862), (6, 497931), (7, 426798), (9, 331954), (14, 213399), (18, 165977), (21, 142266), (42, 71133), (63, 47422), (126, 23711), (131, 22806), (181, 16506), (262, 11403), (362, 8253), (393, 7602), (543, 5502), (786, 3801), (917, 3258), (1086, 2751), (1179, 2534), (1267, 2358), (1629, 1834)]