71111187

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{991}}^1$

素因数の和:1088

約数の個数: 48

約数和(自身を含む): 126277632

約数和(自身を除く): 55166445

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 67, 119, 153, 201, 357, 469, 603, 991, 1071, 1139, 1407, 2973, 3417, 4221, 6937, 7973, 8919, 10251, 16847, 20811, 23919, 50541, 62433, 66397, 71757, 117929, 151623, 199191, 353787, 464779, 597573, 1061361, 1128749, 1394337, 3386247, 4183011, 7901243, 10158741, 23703729, 71111187]

約数ペア:

[(1, 71111187), (3, 23703729), (7, 10158741), (9, 7901243), (17, 4183011), (21, 3386247), (51, 1394337), (63, 1128749), (67, 1061361), (119, 597573), (153, 464779), (201, 353787), (357, 199191), (469, 151623), (603, 117929), (991, 71757), (1071, 66397), (1139, 62433), (1407, 50541), (2973, 23919), (3417, 20811), (4221, 16847), (6937, 10251), (7973, 8919)]