261576

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{173}}^1$

素因数の和:195

約数の個数: 64

約数和(自身を含む): 835200

約数和(自身を除く): 573624

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 173, 189, 216, 252, 346, 378, 504, 519, 692, 756, 1038, 1211, 1384, 1512, 1557, 2076, 2422, 3114, 3633, 4152, 4671, 4844, 6228, 7266, 9342, 9688, 10899, 12456, 14532, 18684, 21798, 29064, 32697, 37368, 43596, 65394, 87192, 130788, 261576]

約数ペア:

[(1, 261576), (2, 130788), (3, 87192), (4, 65394), (6, 43596), (7, 37368), (8, 32697), (9, 29064), (12, 21798), (14, 18684), (18, 14532), (21, 12456), (24, 10899), (27, 9688), (28, 9342), (36, 7266), (42, 6228), (54, 4844), (56, 4671), (63, 4152), (72, 3633), (84, 3114), (108, 2422), (126, 2076), (168, 1557), (173, 1512), (189, 1384), (216, 1211), (252, 1038), (346, 756), (378, 692), (504, 519)]