200405979

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{47}}^1$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 334601280

約数和(自身を除く): 134195301

約数列:

[1, 3, 9, 17, 29, 31, 47, 51, 87, 93, 141, 153, 261, 279, 423, 493, 527, 799, 899, 961, 1363, 1457, 1479, 1581, 2397, 2697, 2883, 4089, 4371, 4437, 4743, 7191, 8091, 8649, 12267, 13113, 15283, 16337, 23171, 24769, 27869, 42253, 45167, 45849, 49011, 69513, 74307, 83607, 126759, 135501, 137547, 147033, 208539, 222921, 250821, 380277, 406503, 473773, 718301, 767839, 1309843, 1421319, 2154903, 2303517, 3929529, 4263957, 6464709, 6910551, 11788587, 22267331, 66801993, 200405979]

約数ペア:

[(1, 200405979), (3, 66801993), (9, 22267331), (17, 11788587), (29, 6910551), (31, 6464709), (47, 4263957), (51, 3929529), (87, 2303517), (93, 2154903), (141, 1421319), (153, 1309843), (261, 767839), (279, 718301), (423, 473773), (493, 406503), (527, 380277), (799, 250821), (899, 222921), (961, 208539), (1363, 147033), (1457, 137547), (1479, 135501), (1581, 126759), (2397, 83607), (2697, 74307), (2883, 69513), (4089, 49011), (4371, 45849), (4437, 45167), (4743, 42253), (7191, 27869), (8091, 24769), (8649, 23171), (12267, 16337), (13113, 15283)]