131221944

素因数分解:

$2^3\times 3^5\times 7^1\times {\mathrm{9643}}^1$

素因数の和:9671

約数の個数: 96

約数和(自身を含む): 421249920

約数和(自身を除く): 290027976

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 81, 84, 108, 126, 162, 168, 189, 216, 243, 252, 324, 378, 486, 504, 567, 648, 756, 972, 1134, 1512, 1701, 1944, 2268, 3402, 4536, 6804, 9643, 13608, 19286, 28929, 38572, 57858, 67501, 77144, 86787, 115716, 135002, 173574, 202503, 231432, 260361, 270004, 347148, 405006, 520722, 540008, 607509, 694296, 781083, 810012, 1041444, 1215018, 1562166, 1620024, 1822527, 2082888, 2343249, 2430036, 3124332, 3645054, 4686498, 4860072, 5467581, 6248664, 7290108, 9372996, 10935162, 14580216, 16402743, 18745992, 21870324, 32805486, 43740648, 65610972, 131221944]

約数ペア:

[(1, 131221944), (2, 65610972), (3, 43740648), (4, 32805486), (6, 21870324), (7, 18745992), (8, 16402743), (9, 14580216), (12, 10935162), (14, 9372996), (18, 7290108), (21, 6248664), (24, 5467581), (27, 4860072), (28, 4686498), (36, 3645054), (42, 3124332), (54, 2430036), (56, 2343249), (63, 2082888), (72, 1822527), (81, 1620024), (84, 1562166), (108, 1215018), (126, 1041444), (162, 810012), (168, 781083), (189, 694296), (216, 607509), (243, 540008), (252, 520722), (324, 405006), (378, 347148), (486, 270004), (504, 260361), (567, 231432), (648, 202503), (756, 173574), (972, 135002), (1134, 115716), (1512, 86787), (1701, 77144), (1944, 67501), (2268, 57858), (3402, 38572), (4536, 28929), (6804, 19286), (9643, 13608)]