1690261587

素因数分解:

$3^6\times 7^1\times {\mathrm{43}}^1\times {\mathrm{7703}}^1$

素因数の和:7771

約数の個数: 56

約数和(自身を含む): 2964006144

約数和(自身を除く): 1273744557

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 81, 129, 189, 243, 301, 387, 567, 729, 903, 1161, 1701, 2709, 3483, 5103, 7703, 8127, 10449, 23109, 24381, 31347, 53921, 69327, 73143, 161763, 207981, 219429, 331229, 485289, 623943, 993687, 1455867, 1871829, 2318603, 2981061, 4367601, 5615487, 6955809, 8943183, 13102803, 20867427, 26829549, 39308409, 62602281, 80488647, 187806843, 241465941, 563420529, 1690261587]

約数ペア:

[(1, 1690261587), (3, 563420529), (7, 241465941), (9, 187806843), (21, 80488647), (27, 62602281), (43, 39308409), (63, 26829549), (81, 20867427), (129, 13102803), (189, 8943183), (243, 6955809), (301, 5615487), (387, 4367601), (567, 2981061), (729, 2318603), (903, 1871829), (1161, 1455867), (1701, 993687), (2709, 623943), (3483, 485289), (5103, 331229), (7703, 219429), (8127, 207981), (10449, 161763), (23109, 73143), (24381, 69327), (31347, 53921)]