221661576

素因数分解:

$2^3\times 3^3\times {\mathrm{431}}^1\times {\mathrm{2381}}^1$

素因数の和:2827

約数の個数: 64

約数和(自身を含む): 617414400

約数和(自身を除く): 395752824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 431, 862, 1293, 1724, 2381, 2586, 3448, 3879, 4762, 5172, 7143, 7758, 9524, 10344, 11637, 14286, 15516, 19048, 21429, 23274, 28572, 31032, 42858, 46548, 57144, 64287, 85716, 93096, 128574, 171432, 257148, 514296, 1026211, 2052422, 3078633, 4104844, 6157266, 8209688, 9235899, 12314532, 18471798, 24629064, 27707697, 36943596, 55415394, 73887192, 110830788, 221661576]

約数ペア:

[(1, 221661576), (2, 110830788), (3, 73887192), (4, 55415394), (6, 36943596), (8, 27707697), (9, 24629064), (12, 18471798), (18, 12314532), (24, 9235899), (27, 8209688), (36, 6157266), (54, 4104844), (72, 3078633), (108, 2052422), (216, 1026211), (431, 514296), (862, 257148), (1293, 171432), (1724, 128574), (2381, 93096), (2586, 85716), (3448, 64287), (3879, 57144), (4762, 46548), (5172, 42858), (7143, 31032), (7758, 28572), (9524, 23274), (10344, 21429), (11637, 19048), (14286, 15516)]