131521806

素因数分解:

$2^1\times 3^9\times {\mathrm{13}}^1\times {\mathrm{257}}^1$

素因数の和:299

約数の個数: 80

約数和(自身を含む): 319922064

約数和(自身を除く): 188400258

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 243, 257, 351, 486, 514, 702, 729, 771, 1053, 1458, 1542, 2106, 2187, 2313, 3159, 3341, 4374, 4626, 6318, 6561, 6682, 6939, 9477, 10023, 13122, 13878, 18954, 19683, 20046, 20817, 28431, 30069, 39366, 41634, 56862, 60138, 62451, 85293, 90207, 124902, 170586, 180414, 187353, 255879, 270621, 374706, 511758, 541242, 562059, 811863, 1124118, 1623726, 1686177, 2435589, 3372354, 4871178, 5058531, 7306767, 10117062, 14613534, 21920301, 43840602, 65760903, 131521806]

約数ペア:

[(1, 131521806), (2, 65760903), (3, 43840602), (6, 21920301), (9, 14613534), (13, 10117062), (18, 7306767), (26, 5058531), (27, 4871178), (39, 3372354), (54, 2435589), (78, 1686177), (81, 1623726), (117, 1124118), (162, 811863), (234, 562059), (243, 541242), (257, 511758), (351, 374706), (486, 270621), (514, 255879), (702, 187353), (729, 180414), (771, 170586), (1053, 124902), (1458, 90207), (1542, 85293), (2106, 62451), (2187, 60138), (2313, 56862), (3159, 41634), (3341, 39366), (4374, 30069), (4626, 28431), (6318, 20817), (6561, 20046), (6682, 19683), (6939, 18954), (9477, 13878), (10023, 13122)]