208023945

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{449}}^1\times {\mathrm{461}}^1$

素因数の和:985

約数の個数: 32

約数和(自身を含む): 339292800

約数和(自身を除く): 131268855

約数列:

[1, 3, 5, 15, 67, 201, 335, 449, 461, 1005, 1347, 1383, 2245, 2305, 6735, 6915, 30083, 30887, 90249, 92661, 150415, 154435, 206989, 451245, 463305, 620967, 1034945, 3104835, 13868263, 41604789, 69341315, 208023945]

約数ペア:

[(1, 208023945), (3, 69341315), (5, 41604789), (15, 13868263), (67, 3104835), (201, 1034945), (335, 620967), (449, 463305), (461, 451245), (1005, 206989), (1347, 154435), (1383, 150415), (2245, 92661), (2305, 90249), (6735, 30887), (6915, 30083)]