2989854

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:465

約数の個数: 48

約数和(自身を含む): 7544160

約数和(自身を除く): 4554306

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 61, 63, 122, 126, 183, 366, 389, 427, 549, 778, 854, 1098, 1167, 1281, 2334, 2562, 2723, 3501, 3843, 5446, 7002, 7686, 8169, 16338, 23729, 24507, 47458, 49014, 71187, 142374, 166103, 213561, 332206, 427122, 498309, 996618, 1494927, 2989854]

約数ペア:

[(1, 2989854), (2, 1494927), (3, 996618), (6, 498309), (7, 427122), (9, 332206), (14, 213561), (18, 166103), (21, 142374), (42, 71187), (61, 49014), (63, 47458), (122, 24507), (126, 23729), (183, 16338), (366, 8169), (389, 7686), (427, 7002), (549, 5446), (778, 3843), (854, 3501), (1098, 2723), (1167, 2562), (1281, 2334)]